Consider the invention and adoption of the mechanical tomato harvester on the farm labor market.
a. Illustrate the expected impact of the invention of the mechanical tomato harvester on the farm labor equilibrium when farmers believed that the end of the Bracero Program would reduce the number of immigrant workers to near zero.
b. Illustrate the actual impact of the mechanical tomato harvester on the farm labor market, given that illegal immigrants rapidly replaced Braceros in the farm labor market.