Table VIII summarizes the results. The first column gives the results with G as the key regressor. Each row gives the coefficients and standard errors for a different year of the sample; the last row gives the average coefficient and time-series standard error of these coefficients. The coefficients on G are negative in every year and significantly negative in nine of the ten years. The largest absolute value point estimate occurs in 1999, and the second largest is in 1998. The point estimate in 1999 is eco nomically large; a one-point increase in G, equivalent to adding a single governance provision, is associated with an 11.4 percent age point lower value for Q. If we assume that the point estimates in 1990 and 1999 are independent, then the difference between these two estimates (11.4 - 2.2 = 9.2) is statistically significant.