Macroeconomic Shocks and Regional Employment: The Case of Southern California
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In this study, we specify a disaggregated vector autoregression model (VAR) to analyze the behavior
of employment in three Southern California counties during two different types of aggregate economic
downturns. Using this model, we estimate the impact of hypothetical, one-time shocks to macroeconomic
variables, on employment levels by county. The two adverse shocks that we examine are a monetary (demand)
shock, and an oil price (supply) shock. Our empirical framework allows us to examine, within a single
model, the dynamic behavior of employment during these downturns. We provide evidence that even
within regional economies in the United States, employment levels respond differentially to macroeconomic
shocks. Our model also allows us to examine how the impact of these shocks on total county employment
has changed over time. In particular, we find that, over the sample period, total employment
across Southern California has become less sensitive to oil price shocks.