Understanding Supply and Demand in the Workforce

The Basics of Supply and Demand

In a basic economic model, the supply of labor represents the number of workers willing to work at a given wage rate. The demand for labor reflects employers’ willingness to hire those workers.

Generally, as wages increase, the quantity of labor supplied tends to rise (more people are incentivized to work), while the quantity demanded tends to fall (fewer people are willing to work at that higher wage).

ΔW = ΔQ / (∂L/∂W)  (Change in Wage = Change in Quantity Supplied / Derivative of Labor with respect to Wage)

Wage Determination

The equilibrium wage rate is determined where the supply and demand curves intersect. At this point, the quantity of labor supplied equals the quantity demanded.

Changes in factors affecting either supply or demand will shift these curves, leading to new equilibrium wages and employment levels. For example, an increase in the demand for a particular skill set would shift the demand curve rightward.

W* = P(L_s, L_d)  (Equilibrium Wage = Price of Labor where Supply equals Demand)

External Factors & Shifts

This simulation incorporates external factors such as technological advancements (shifting the demand curve), changes in education levels (affecting supply), and government regulations (e.g., minimum wage laws).

Each of these shifts will impact the equilibrium wage and employment rate, demonstrating how real-world economic forces influence the labor market.

Shift in Supply/Demand = Change in Equilibrium Wage & Employment

Modeling Labor Markets

The simulation allows you to manipulate these factors and observe their immediate effects on the labor market. Experiment with different scenarios to understand complex relationships.

Consider how changes in immigration policies, automation, or shifts in consumer demand could impact wages and employment across various industries.

Frequently asked questions

Try it live

Everything above runs in your browser — open Solow Growth Model and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.