Labor Economics Flashcards

Comprehensive practice vocabulary flashcards covering labor supply and demand, equilibrium wage determination, compensating differentials, market structures, unemployment, and manpower planning based on lecture notes.

Labor Economics

The sub-discipline of economics concerned with the basic economic behavior of decision makers in the labor market, the organization, functioning, and outcomes of the market, the decisions of participants, and public policies relating to employment and compensation.

Underlying Presumptions of Choice Theory

The three foundational assumptions used in labor economics: Relative Scarcity (individuals face limits on time and income), Purposeful Behavior (rational, calculative actions), and Adaptability (participants react systematically to changes in perceived costs and benefits).

Economic Activity / Participation Rate

The ratio of the actual labor force (employed plus active job seekers) to the working-age population (potential labor force, typically ages $15$ to $64$), measuring the extent of involvement in the production of economic goods and services.

Real Wage

The purchasing power of hourly earnings calculated by dividing the nominal wage by a price index or deflator, representing hourly payment at constant prices.

Marginal Rate of Substitution (MRS) of Income for Leisure

The absolute slope of an individual's indifference curve between income and leisure, reflecting the rate at which an individual is willing to trade leisure for income while maintaining the same level of total utility.

Workaholic vs. Leisure Lover Preferences

A workaholic exhibits flatter indifference curves, reflecting a willingness to sacrifice substantial leisure for small increments of income; a leisure lover exhibits steeper indifference curves, requiring large increases in income to give up an extra hour of leisure.

Labor-Leisure Utility Maximization Condition

The tangency condition where the slope of the indifference curve equals the slope of the budget constraint: $\frac{MU_L}{MU_Y} = W$, meaning the marginal rate of substitution between leisure and income equals the wage rate.

Backward-Bending Labor Supply Curve

An individual labor supply curve showing hours worked rising as the wage rate increases up to a critical point, beyond which higher wages lead to fewer hours worked because the income effect dominates the substitution effect.

Income Effect (Labor Supply)

The change in desired hours of work resulting from a change in income, holding relative prices constant ($\frac{\Delta H}{\Delta Y}$); because leisure is a normal good, a rise in income induces workers to consume more leisure and reduce hours of work.

Substitution Effect (Labor Supply)

The change in desired hours of work resulting solely from a change in the relative price (opportunity cost) of leisure holding utility constant; an increase in the wage rate makes leisure more expensive, inducing workers to substitute market work for leisure.

Reservation Wage

The lowest wage rate at which an individual will choose to enter the labor force and supply hours of work; graphically represented by the slope of the indifference curve at zero hours of market work (corner solution point $N$).

Overemployed vs. Underemployed Worker

Discrepancies arising from a legislated standard workday: an overemployed worker desires fewer hours than the standard and experiences absenteeism or high turnover; an underemployed worker desires more hours and often moonlights or takes a second job.

Demogrant

A lump-sum public transfer payment provided to a specific demographic group (e.g., female-headed households) that creates a parallel upward shift in the budget constraint, producing a pure income effect that reduces labor supply without altering relative prices.

Negative Income Tax (NIT)

An income maintenance formula, $T = tY - S$, where $S$ is a basic grant/subsidy and $t$ is the marginal tax rate applied to earned income $Y$, designed to reduce poverty while mitigating extreme work disincentive effects.

Benefit Spike (Social Insurance)

A vertical notch in the budget constraint created when social insurance or disability benefits pay full pre-injury earnings if off work but immediately eliminate the transfer upon returning to work, generating severe work disincentives.

Derived Demand for Labor

Demand for labor that does not arise for its own sake, but depends directly upon the demand for the goods or services that the labor helps produce, as well as labor's marginal productivity.

Stage II of Production (Zone of Production)

The rational production range spanning from the employment level where marginal product equals average product ($MP = AP$) to the point where marginal product falls to zero ($MP = 0$), within which both labor and capital inputs achieve efficient utilization.

Marginal Revenue Product of Labor ($MRP_L$)

The addition to total revenue generated by hiring an additional unit of labor, calculated as $MRP_L = MP_L \times MR$; under perfect competition, it equals the Value of Marginal Product ($VMP_L = MP_L \times P$).

Output Effect (Long-Run Labor Demand)

The change in employment occurring because a change in the wage rate alters the firm's marginal cost of production, shifting the marginal cost curve and altering the profit-maximizing level of output.

Substitution Effect (Long-Run Labor Demand)

The change in employment occurring when a change in the relative price of labor and capital induces the firm to substitute the relatively cheaper input for the relatively dearer input, holding output constant.

Total Wage Bill Rules

Principles relating wage changes to total wage income: when labor demand is elastic, wage cuts increase the total wage bill; when inelastic, wage cuts decrease the wage bill; when unitary elastic, the wage bill remains unchanged.

Allocative Efficiency in Labor Markets

The optimal distribution of labor across sectors achieved when the Value of Marginal Product of labor is equalized across all uses and equals the wage rate: $VMP_{Ax} = VMP_{Ay} = \dots = VMP_{An} = P_L$.

Monopsony

A labor market characterized by a single buyer or collusive group of employers facing an upward-sloping labor supply curve ($S_L = AWC$), resulting in a marginal wage cost ($MWC$) exceeding the wage rate and causing allocative deadweight loss ($aec$).

Exclusive Unionism vs. Inclusive Unionism

Exclusive unionism raises wages by restricting labor supply (e.g., through occupational licensing and mandatory retirement), whereas inclusive unionism organizes all industry workers to bargain collectively for an above-equilibrium wage.

Bilateral Monopoly

A market structure consisting of a single buyer of labor (monopsonist) and a single seller of labor (inclusive union), leading to an indeterminate wage rate settled through relative bargaining power.

Cobweb Model

A model explaining delayed labor supply responses in specialized or highly educated occupations, showing how supply adjustments lag behind wage signals, causing temporary oscillations around the long-run equilibrium wage.

Compensating Wage Differential

An equilibrium wage disparity that compensates workers for undesirable nonwage job characteristics, such as elevated risk of death, unpleasant working conditions, low job status, or irregular employment.

Efficiency Wage Hypothesis

The practice of paying wages above market-clearing levels to increase productivity, lower employee shirking by raising the cost of job loss, and reduce expensive recruitment and turnover costs.

Hedonic Theory of Wages

A framework analyzing the equilibrium match between workers with differing risk aversion (indifference curves) and employers with differing costs of providing workplace safety (isoprofit curves).

Noncompeting Groups

Distinct collections of workers differing in innate abilities, family backgrounds, and accumulated human capital investments, preventing effective cross-occupational competition and perpetuating equilibrium wage differences.

Natural Rate of Unemployment

The equilibrium unemployment rate (typically $4\%$ to $5\%$) present when there is neither excess demand nor excess supply in the aggregate labor market, consisting of frictional and structural components.

Structural Unemployment

Long-lived unemployment caused by compositional mismatches between the skills or geographic locations of labor suppliers and the requirements or locations of job vacancies.

Demand-Deficient Unemployment

Cyclical joblessness caused by an insufficient level of aggregate demand for goods and services across the macroeconomy, typical during economic recessions and depressions.

Manpower Requirement Approach (MRA)

A dominant manpower planning framework developed in the OECD's Mediterranean Regional Project that projects future educated labor demand and supply based on fixed technological coefficients and target GDP growth.

Rate of Return Approach to Educational Planning

A manpower planning method that calculates private and social net present values of educational investments by comparing lifetime income streams against direct and indirect educational costs.