Analyze and investigate California’s industry structure and performance of any county economy over 1969-2022. Choose and compare among three alternative measures: Employment, Earnings and Average Earnings Per Job. Location quotients help you diagnose and identify those industries where economic activity is most concentrated. Individual industry growth rates are benchmarked against the overall average, and to their counterparts nationally, to guide you in pinpointing those industries that have led, and those that have lagged.