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Absorptive Capacity Scale

Absorptive Capacity (ACAP) refers to an organization's ability to acquire, assimilate, transform, and exploit external knowledge to enhance innovation and performance. Zahra and George (2002) reconceptualized absorptive capacity into four distinct but interrelated processes in their foundational Academy of Management R

marketing management

E-S-QUAL Electronic Service Quality Scale

E-S-QUAL is a 22-item scale developed by Parasuraman, Zeithaml, and Malhotra (2005) to measure service quality in electronic commerce and digital service environments. Adapting the foundational SERVQUAL dimensions to online contexts, E-S-QUAL assesses four core dimensions: Efficiency (ability to complete transactions q

tourism management

Tourist Satisfaction Scale

The Tourist Satisfaction Scale (TSS) measures overall and domain-specific satisfaction of visitors to a destination or tourism facility. Developed across multiple research streams in the 1990s-2000s, it quantifies how well tourism experiences meet visitor expectations across accommodation, attractions, service quality,

accounting

Activity-Based Costing

Activity-Based Costing (ABC) is an advanced costing method developed by Robert Kaplan and Robin Cooper that allocates overhead and indirect costs to products or services based on their actual consumption of activities. Rather than using arbitrary allocation bases (e.g., machine hours or direct labor), ABC traces costs

marketing

Advertising Effectiveness Study

Advertising Effectiveness Studies are research methods designed to measure the impact of advertising campaigns on consumer awareness, attitudes, purchase intention, and sales. Developed through work in marketing science and media measurement, these studies employ experimental designs, multivariate analysis, and attribu

operations management

Aggregate Planning

Aggregate Planning (or Sales & Operations Planning, S&OP) is a collaborative, iterative process that balances demand and supply at a high level—typically grouping products into families and planning over a 3–18 month horizon. Developed formally by Tom Wallace and popularized through APICS, aggregate planning helps orga

finance

Altman Z-Score

The Altman Z-Score is a linear discriminant model developed by Edward I. Altman in 1968 to predict corporate bankruptcy using five accounting-based financial ratios. Derived through multiple discriminant analysis on a matched sample of 66 US manufacturing firms, the model combines liquidity, profitability, leverage, so

marketing management

American Customer Satisfaction Index

The American Customer Satisfaction Index (ACSI), developed by Fornell and colleagues in 1996, is a structural equation modeling-based approach to measuring and predicting customer satisfaction across industries and over time. ACSI assesses customer expectations, perceived value, perceived quality, complaints, and loyal

accounting

Analytical Procedures in Auditing

Analytical procedures are evaluations of financial information made by studying plausible relationships among both financial and non-financial data. Rather than testing individual transactions, auditors develop expectations about what numbers should be and compare them to actual results, investigating significant diffe

operations management

Assembly Line Balancing

Assembly Line Balancing is the problem of distributing a sequence of assembly tasks across a series of workstations on a production line such that work is evenly distributed, idle time is minimized, and throughput constraints are satisfied. The goal is to assign tasks to stations such that the total work time at each s

accounting

Attribute Sampling in Auditing

Attribute sampling is a statistical sampling method used primarily in testing the operating effectiveness of internal controls. Rather than measuring the dollar impact of errors (as in substantive sampling), attribute sampling answers a yes/no question: 'Does this control exist and is it operating as designed?' By dete

accounting

Audit Risk Model

The Audit Risk Model is a foundational framework developed by the American Institute of Certified Public Accountants (AICPA) that structures audit planning by decomposing overall audit risk into three components: inherent risk, control risk, and detection risk. This model guides auditors in allocating resources and des

organizational behavior

Authentic Leadership Scale

The Authentic Leadership Scale (ALS) is a 16-item instrument measuring four dimensions of authentic leadership: self-awareness, relational transparency, balanced processing, and internalized moral perspective. Developed by Walumbwa, Avolio, and colleagues in 2008, the ALS assesses leadership grounded in self-knowledge

healthcare management

Balanced Scorecard in Healthcare

The Balanced Scorecard is a strategic performance management framework that translates an organization's mission and strategy into a comprehensive set of performance measures across four perspectives: financial, customer, internal processes, and learning and growth. Developed by Kaplan and Norton in 1992 for general bu

strategic management

Balanced Scorecard Performance Measure

The Balanced Scorecard (BSC) is a strategic management system that translates organizational strategy into a coherent set of performance measures across four perspectives: Financial, Customer, Internal Process, and Learning and Growth. Developed by Kaplan and Norton (1992) in Harvard Business Review, the BSC addresses

quantitative finance

Bates Model

The Bates model (1996) combines stochastic volatility and jump diffusion to capture both the volatility smile and the implied volatility skew observed in equity and currency option markets. It extends the Heston model by adding a Poisson jump component to returns, making it suitable for pricing options when sudden pric

finance

Beneish M-Score

The Beneish M-Score is a statistical model developed by Messod Beneish in 1999 to identify whether a company has manipulated its reported earnings. The model combines eight financial-statement ratios into a single composite score using coefficients estimated from a probit regression on a sample of detected earnings man

finance

Binomial Option Pricing

The binomial option pricing model, introduced by John Cox, Stephen Ross, and Mark Rubinstein in 1979, prices options by modelling the underlying as a discrete tree in which the price moves up or down by fixed factors at each step. Working backward from the option's payoff at maturity using risk-neutral probabilities, i

finance

Black-Litterman Model

The Black-Litterman model, introduced by Fischer Black and Robert Litterman in 1992, is a Bayesian portfolio allocation framework that blends market-equilibrium returns with an investor's own views to produce more stable, intuitive portfolios. It was designed to cure the extreme concentration and input sensitivity of c

finance

Black-Scholes Model

The Black-Scholes-Merton model, published by Fischer Black and Myron Scholes in 1973 with the theoretical framework extended by Robert Merton, gives a closed-form no-arbitrage price for European options. By assuming the underlying asset follows geometric Brownian motion with constant volatility, it derives a partial di

marketing

Brand Equity Measurement

Brand Equity Measurement is a comprehensive framework developed by David Aaker in 1991 for quantifying and assessing the value that a brand name adds to a product or service. It provides organizations with methods to understand how consumers perceive their brand across multiple dimensions, enabling better strategic dec

marketing management

Brand Equity Scale

The Brand Equity Scale (BES) measures customer-based brand equity through perceived quality, brand loyalty, brand associations, and brand awareness. Developed by Yoo, Donthu, and Lee (2000), building on Aaker's foundational brand equity framework (1991), the BES operationalizes brand equity as the differential effect o

health economics

Budget Impact Analysis

Budget impact analysis estimates the financial consequences (net costs or savings) of implementing a new health technology in a specific healthcare system or population over a short time horizon (typically 1–5 years). Distinct from cost-effectiveness analysis (which compares health outcomes per dollar), BIA answers a b

operations management

Bullwhip Effect

The Bullwhip Effect is a phenomenon in supply chain management where small fluctuations in end-customer demand cause progressively larger fluctuations in orders as one moves upstream from retail to distributors to manufacturers to suppliers. First formally documented by Jay Forrester in his 1961 system dynamics work, a

finance

CAMELS Rating

The CAMELS Rating System is a supervisory framework used by US bank regulators to evaluate the overall condition of financial institutions across six dimensions: Capital Adequacy, Asset Quality, Management, Earnings, Liquidity, and Sensitivity to Market Risk. Each component is scored on a scale of 1 (strong) to 5 (crit

finance

CAPM

The Capital Asset Pricing Model (CAPM), developed by William Sharpe and John Lintner in the mid-1960s, links the expected return of an asset to its systematic risk, measured by beta. It states that in equilibrium investors are rewarded only for risk that cannot be diversified away: the expected excess return of an asse

organizational behavior

Career Adapt-Abilities Scale

The Career Adapt-Abilities Scale (CAAS) measures the psychosocial resources and competencies that enable individuals to navigate career challenges and transitions. Developed by Savickas and Porfeli in 2012, the 24-item scale quantifies four dimensions: concern (future orientation), control (agency), curiosity (explorat

quantitative finance

Carr-Madan FFT

The Carr-Madan Fast Fourier Transform (1999) is a highly efficient method for computing option prices across a range of strikes using characteristic functions and FFT. It enables rapid pricing of European options under any model with a known characteristic function (Heston, Merton jumps, Variance Gamma), with computati

quantitative finance

Change of Numeraire

Change of numeraire is a mathematical technique for simplifying option pricing by changing the choice of discount factor (numeraire). By selecting a numeraire aligned with the payoff structure, complex problems become simple. The technique is essential for LIBOR market models and multi-currency derivatives.

tourism management

Citizen Satisfaction Survey

The Citizen Satisfaction Survey (CSS) measures public satisfaction with government services, infrastructure, and institutions across multiple dimensions (access, responsiveness, quality, fairness, transparency). Rooted in expectancy-disconfirmation theory (James, 2009) and the American Customer Satisfaction Index (Forn

healthcare management

Clinical Audit

Clinical audit is a systematic, cyclical process that measures the quality of clinical care against evidence-based standards and benchmarks, identifies gaps, and implements improvements to bring practice into alignment with current best evidence. Originating in the UK NHS, clinical audit is now a fundamental quality as

healthcare management

Clinical Handover Quality Scale

The Clinical Handover Quality Scale (CHQS) is a comprehensive framework and measurement tool for assessing the quality of clinical handovers—the critical communication process by which responsibility for a patient's care is transferred from one provider or team to another. Handovers occur multiple times daily in health

operations management

Closed-Loop Supply Chain

A closed-loop supply chain (CLSC) integrates forward logistics (moving products to customers) with reverse logistics (recovering products, components, or materials from customers) to optimize resource recovery, reduce waste, and minimize environmental impact. Products flow forward for customer use, then flow backward f

finance

Conditional Value-at-Risk

Conditional Value-at-Risk (CVaR), also called Expected Shortfall, is a coherent tail-risk measure that quantifies the conditional expectation of losses beyond the Value-at-Risk threshold. It was introduced for optimization by Rockafellar and Uryasev (2000) and shown to be coherent by Acerbi and Tasche (2002), and it ha

marketing management

Consumer Involvement Scale

The Consumer Involvement Scale (CIS), developed by Zaichkowsky (1985), measures the degree to which a consumer feels personally invested in a product, brand, or purchase decision. Originally a 20-item instrument operationalizing the concept of 'personal relevance,' the CIS was refined to 10 items in 1994 (Revised Perso

economics

Contingent Valuation

Contingent Valuation (CVM), developed by Robert Davis in the 1960s, is a survey-based method for estimating the economic value of non-market environmental goods and services—such as wilderness preservation, air quality, or species protection—by directly asking people their willingness to pay (WTP) for specified improve

quantitative finance

Copula CDO Model

The copula CDO model (Li 2000) uses Gaussian copulas to price collateralized debt obligations (CDOs) by modeling joint default probabilities across a portfolio of bonds. The model became the industry standard for CDO pricing but was heavily criticized post-2008 for underestimating tail risk and correlation breakdowns d

finance

Copula Models

Copula models are a family of functions that describe the dependence structure between variables separately from their individual (marginal) distributions. The foundation is Sklar's theorem (1959), which shows that any multivariate distribution can be split into its marginals plus a copula; Joe (1997) developed the mod

organizational behavior

Core Self-Evaluations Scale

The Core Self-Evaluations Scale (CSES) measures fundamental assessments people make about their own worth, competence, and ability to meet life demands. Developed by Judge and colleagues starting in 1997, the 12-item scale captures a broad personality dimension encompassing self-esteem, self-efficacy, locus of control,

strategic management

Corporate Governance Questionnaire

Corporate Governance encompasses the system of rules, practices, and processes by which a company is directed and controlled. Jensen and Meckling's (1976) agency theory formalized the principal-agent problem—how to ensure management (agents) acts in shareholders' (principals') interests despite information asymmetry an

health economics

Cost-Benefit Analysis

Cost-benefit analysis compares the total monetary value of benefits produced by a program against its total monetary costs, reporting net present value (NPV) or benefit-cost ratio (BCR). Rooted in welfare economics and used extensively in public policy (transportation, environmental, education, health), CBA answers the

health economics

Cost-Effectiveness Analysis

Cost-effectiveness analysis compares the incremental cost per unit of health benefit gained by one intervention relative to a comparator (standard care or best alternative). Developed rigorously in the 1980s by Drummond, Stoddart, and colleagues, CEA is now the standard framework for technology appraisal globally. NICE

healthcare management

Cost-Effectiveness Analysis in HTA

Cost-Effectiveness Analysis (CEA) is an economic evaluation method that compares the cost and health benefits of alternative treatments to determine whether an intervention provides good value for money. Within Health Technology Assessment, CEA is the primary tool for recommending reimbursement and coverage decisions.

accounting

Cost-Volume-Profit Analysis

Cost-Volume-Profit (CVP) Analysis is a foundational managerial accounting method that examines the relationships among costs, sales volume, and profit. By analyzing how changes in production volume, selling price, and cost structure affect profitability, managers can make informed decisions about pricing, production, a

quantitative finance

Crank-Nicolson Pricing

The Crank-Nicolson method is a widely-used implicit finite difference scheme for solving PDEs in option pricing. It provides second-order accuracy in both space and time, unconditional stability, and can efficiently price derivatives with early exercise features (American options) or complex boundary conditions.

finance

Credit Risk Models

Credit risk models estimate the probability that a borrower defaults and the resulting distribution of credit losses. The structural approach was introduced by Robert C. Merton in 1974, treating a firm's equity as a call option on its assets, and was later extended into the KMV distance-to-default framework and the Cre

finance

Credit Scoring

Credit scoring is a statistical technique that estimates the probability that a borrower will default on a financial obligation. Using Weight of Evidence (WoE) binning, Information Value (IV) variable selection, and logistic regression, it converts raw applicant data into a single integer score. Formalized by Hand and

quantitative finance

Credit Valuation Adjustment

Credit Valuation Adjustment (CVA) is the market price of counterparty credit risk embedded in over-the-counter (OTC) derivatives. CVA measures the loss from counterparty default, accounting for both the probability of default and the exposure at that time. It has become a key component of derivative valuation and risk

operations management

Cross-Docking

Cross-docking is a logistics strategy in which products arriving at a distribution center from suppliers are unloaded, sorted, consolidated, and immediately reloaded onto outbound vehicles destined for customers, with minimal or no storage time. Rather than storing inventory in a warehouse, products flow through in 24–

organizational behavior

CSR Scale

The Corporate Social Responsibility (CSR) Scale is a 19-item instrument measuring organizational commitment to social and environmental responsibilities across multiple stakeholder dimensions. Formalized by Turker in 2009, the CSR Scale assesses employee perception of organizational CSR practices toward society, employ

marketing

Customer Journey Mapping

Customer Journey Mapping is a service design methodology that visualizes the complete customer experience across all touchpoints and phases of a customer relationship, from awareness through advocacy. Developed through work in design and service management, journey mapping integrates behavioral data, customer emotions,

marketing

Customer Lifetime Value

Customer Lifetime Value (CLV) is a financial metric that quantifies the total profit a company expects to generate from its relationship with a customer over the entire duration of that relationship. Developed through work by Blattberg, Getz, and Thomas in the 1990s-2000s, CLV integrates acquisition costs, purchase beh

marketing management

Customer Loyalty Scale

The Customer Loyalty Scale (CLS) measures customer loyalty as a combination of attitudinal commitment and behavioral intention. Developed by Dick and Basu (1994), the scale distinguishes between behavioral loyalty (repeat purchases) and attitudinal loyalty (emotional commitment), recognizing that true loyalty involves

finance

DCC-GARCH

DCC-GARCH is Engle's (2002) multivariate volatility model that lets the correlations between several assets change over time. A separate univariate GARCH model is fitted to each series, and then the dynamic correlation matrix is estimated in a second, separate step.

healthcare management

DEA Hospital Efficiency

Data Envelopment Analysis (DEA) is a linear programming technique for measuring the relative efficiency of multiple hospitals using multiple inputs and outputs. Introduced by Charnes, Cooper, and Rhodes in 1978, DEA has become the standard method for benchmarking hospital performance in healthcare systems worldwide.

quantitative finance

Debit Valuation Adjustment

Debit Valuation Adjustment (DVA) represents the value of your own credit risk to counterparties. DVA measures the gain in derivative value if you default on your obligations—a benefit for your shareholders because creditors receive less than the full derivative value. DVA is controversial but now mandatory under IFRS 1

health economics

Decision Analytic Modeling

Decision analytic modeling is a systematic framework for comparing health interventions by integrating evidence on probabilities, outcomes, costs, and patient preferences into a quantitative model. Developed by Pauker and Kassirer in 1975, decision analysis structures clinical uncertainty and economic trade-offs, enabl

tourism management

Destination Image Scale

The Destination Image Scale (DIS) measures how potential or actual visitors perceive and emotionally evaluate a tourism destination. Developed by Echtner & Ritchie (1991) and extended by Baloglu & Brinberg (1997), it captures both rational beliefs about destination attributes (attractions, climate, value, safety) and a

economics

Diamond-Mortensen-Pissarides Search-Matching

The Diamond-Mortensen-Pissarides (DMP) model, developed by Peter Diamond, Dale Mortensen, and Christopher Pissarides in the early 1980s, is a fundamental framework for understanding labor market dynamics through the lens of search and matching frictions. It explains how workers and firms meet, form employment relations

marketing

Diffusion of Innovation Model

The Diffusion of Innovation (DOI) model is a theoretical framework developed by Everett Rogers in 1962 to explain how innovations spread through populations over time. The framework categorizes adopters into five groups based on when they adopt an innovation and describes the characteristic S-shaped curve that typicall