Chapter 7: Problem 12

What is a production function?

Short Answer

Expert verified

A production function is a mathematical representation of the relationship between inputs (factors of production) and outputs (goods or services produced) in a production process. An example of a production function is the Cobb-Douglas production function, given by \( Y = A * K^α * L^(1-α) \), where Y is the output, A is the Total Factor Productivity, K is the quantity of capital input, and L is the quantity of labor input. The parameters α and (1-α) represent the elasticity of output with respect to capital and labor, respectively.

Step by step solution

Definition of a Production Function

A production function represents the relationship between the quantity of inputs used in a production process and the quantity of output resulting from that production process. In economics, production functions are used to understand the efficiency and productivity of a firm or an industry. A typical production function takes the form: Y = F(K, L) Here, Y is the quantity of output, F represents the production function, K is the quantity of capital input, and L is the quantity of labor input.

Cobb-Douglas Production Function

One of the widely used production functions is the Cobb-Douglas production function which takes the following form: Y = A * K^α * L^(1-α) Here, A represents the Total Factor Productivity (TFP), which measures the efficiency of the production process. The parameters α and (1-α) are the exponents (usually between 0 and 1) representing the elasticity of output with respect to capital (K) and labor (L), respectively.

Example

Let's assume a simple Cobb-Douglas production function with A = 1, α = 0.3, and (1-α) = 0.7. The firm uses K = 10 units of capital and L = 20 units of labor. We can Determine the output Y by plugging these values into the production function. Y = 1 * 10^0.3 * 20^0.7

Calculating the Output

To find the output Y, simply follow the order of operations and evaluate the production function: 1. Calculate the terms with exponents: \( 10^0.3 = 1.995 \) and \( 20^0.7 = 6.799 \) 2. Multiply the TFP (A = 1) with the calculated values: \( Y = 1 * 1.995 * 6.799 \) 3. Calculate the final output: \( Y = 13.56 \) So, the output of the production process is 13.56 units. By understanding the production function and how different inputs contribute to output levels, students can gain insights into the efficiency and productivity of various production processes. This knowledge is essential in economics and business management.

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