Chapter 2 - The Key Principles of Economics - Exercises - 2.5 The Real-Nominal Principle - Page 47: 5.8c

Professional services experienced an increase in real wages because the percent change in the cost of goods is lower than the percent change in wages. All other sectors experienced a decrease in real wages.

basket 130% manufacturing 117% - change in cost of goods is higher professional services 136% - change in cost of goods is lower hospitality 122% - change in cost of goods is higher information 121% - change in cost of goods is higher