The shift in the PAE line shown in the Keynesian cross diagram may be caused by which of the following? 
Definitions:
Asset Turnover
A financial ratio that measures the efficiency of a company's use of its assets in generating sales revenue; it is calculated by dividing sales revenue by total assets.
Return on Assets
A financial ratio indicating how profitable a company is relative to its total assets, measuring how efficiently a company uses its assets to generate earnings.
Inventory Turnover
Inventory turnover is a ratio showing how many times a company's inventory is sold and replaced over a specific period, indicating the efficiency of inventory management.
Acid Test
A rigorous and conclusive test to prove the effectiveness or value of something.
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