Use the information in these tables to test whether heteroskedasticity is present. Give some intuition about how the Goldfeld-Quandt test tests for heteroskedasticity.

Tables 2 and 3 show output from the regressions needed to use the GoldfeldQuandt test of heteroskedasticity. Table 2 shows the results from the early subsample, and Table 3 shows the results from the later subsample. Use the information in these tables to test whether heteroskedasticity is present. Give some intuition about how the Goldfeld-Quandt test tests for heteroskedasticity