Theory of Production A2 Economics.

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Presentation transcript:

Theory of Production A2 Economics

Aims and Objectives Aim: Understand the short run theory of production. Objectives: Define fixed, variable and total costs. Explain the difference between SR and LR. Analyse the effects of increasing production in the short run.

Starter Define: Fixed Costs Variable Costs Total Costs

Costs Fixed Costs: Costs of production that do not change as output varies. Variable Costs: Costs of production that vary with output. Total Costs: Fixed costs + Variable costs

Short Run & Long Run SR: Period during which FC and scale of output remain fixed. LR: Period of time during which all factors become variable and the scale of output varies.

Marginal Product When a factory wants to increase output. It must hire more labour to do so. MP: The value of the output added by the extra worker.

Theory of Production Worksheet Scenario: A vintage car manufacturing business wishes to increase its output in the short run. We assume that at least one factor of production remains constant, for example the size of the factory. To increase their output the firm has decided to hire extra workers. Complete the table using the following formulas: Average Product = Total Product / No of Workers Marginal Product = Difference between the total product values for each additional worker.

No. of Workers Total Product Average Product Marginal Product 1 3 2 7 16 4 28 5 45 6 60 63 Now you have calculated the table above, plot on a graph the figures from the No. of Workers Column (X Axis) and the Marginal Product (Y Axis)

No. of Workers Total Product Average Product Marginal Product 1 3 3 3 2 7 3.5 4 16 5.3 9 4 28 7 12 5 45 17 6 60 10 15 63 Now you have calculated the table above, plot on a graph the figures from the No. of Workers Column (X Axis) and the Marginal Product (Y Axis)

Comment on anything of significance that you notice. At what No. of Workers do you think it is optimal for the firm to stop employing additional workers?

Increasing Marginal Returns No. of Workers Total Product Average Product Marginal Product 1 3 3 3 2 7 3.5 4 16 5.3 9 4 28 7 12 5 45 17 6 60 10 15 63 Increasing Marginal Returns Where the addition of an extra variable factor adds more to output than the previous factor.

Increasing Marginal Returns

Law of Diminishing Marginal Returns No. of Workers Total Product Average Product Marginal Product 1 3 3 3 2 7 3.5 4 16 5.3 9 4 28 7 12 5 45 17 6 60 10 15 63 Diminishing Marginal Returns Where increasing amounts of a variable factor are added to a fixed factor and the amount added to total product by each additional unit of the variable factor eventually decreases.

Diminishing Marginal Returns

Diminishing Marginal Returns Why as you hire more workers might they become less productive?

Diminishing Marginal Returns Why as you hire more workers might they become less productive? Law economists use to explain SR production.