1. Calculating the price elasticity of supply Alyssa is a stay-at-home parent who lives in Detroit and does some consulting work for extra cash. At a wage of $30 per hour, she is willing to work 6 hours per week. At $50 per hour, she is willing to work 16 hours per week. which Using the midpoint method, the elasticity of Alyssa's labor supply between the wages of $30 and $50 per hour is approximately means that Alyssa's supply of labor over this wage range is