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The Most Profitable S&P 500 Companies (Case Study)

This case study examines return on equity (ROE), its components, and their relationship with P/E ratios and the sustainability of corporate profits.

Profitability Effects of Firm Size for DJIA Companies (Case Study)

This case study examines the relationship between firm size and profitability among DJIA companies, distinguishing total profits from profit rates.

Estimating Hospitalization Costs for Regional Hospitals (Case Study)

This case study examines a nursing cost function, the interpretation of its regression results, and differences in costs between for-profit and not-for-profit hospitals.

Worker Productivity Among Giant U.S. Corporations (Case Study)

This case study examines firm-specific and industry-specific factors affecting revenue and profit per employee among giant corporations.

Forecasting Global Performance for a Mickey Mouse Organization (Case Study)

This historical case study compares regression-based forecasts of Disney’s average stock price for 2007–09 using earnings, book value, and other accounting statistics.

Spreadsheet Analysis of Demand and Supply for Sunbest Orange Juice (Case Study)

This case study examines how changing economic assumptions affect the demand and supply of Sunbest orange juice, including the resulting surpluses, shortages, and market equilibrium.