Overall, the results from the regressions displayed in Table 1 show strong
complementary effects between FDI and human capital on the growth rate of
income. This result is consistent with the idea that the flow of advanced
technology brought along by FDI can increase the growth rate of the host economy
only by interacting with that country’s absorptive capability. It is, however,
puzzling that most specifications yield a negative coefficient for the FDI variable,
with the implication that FDI makes a negative contribution to growth in countries
with a low level of human capital. One could go as far as accepting that FDI
makes no additional contribution to economic growth but it is hard to conceive
situations in which, if the country has a very low stock of human capital, FDI
would actually detract from economic growth. Most likely, the estimates result
from the linearization of what is probably a nonlinear interaction between FDI and
human capital. That is, it is likely that at very low levels of human capital the
contribution of FDI to growth is close to nil and that it rises rapidly at higher
levels of human capital. However, a linear least squares estimation of this function
yields a negative intercept (at zero level of human capital). Nevertheless, the
estimated effect of FDI on growth may be approximately correct for countries with nearly average values of human capital.
Overall, the results from the regressions displayed in Table 1 show strongcomplementary effects between FDI and human capital on the growth rate ofincome. This result is consistent with the idea that the flow of advancedtechnology brought along by FDI can increase the growth rate of the host economyonly by interacting with that country’s absorptive capability. It is, however,puzzling that most specifications yield a negative coefficient for the FDI variable,with the implication that FDI makes a negative contribution to growth in countrieswith a low level of human capital. One could go as far as accepting that FDImakes no additional contribution to economic growth but it is hard to conceivesituations in which, if the country has a very low stock of human capital, FDIwould actually detract from economic growth. Most likely, the estimates resultfrom the linearization of what is probably a nonlinear interaction between FDI andhuman capital. That is, it is likely that at very low levels of human capital thecontribution of FDI to growth is close to nil and that it rises rapidly at higherlevels of human capital. However, a linear least squares estimation of this functionyields a negative intercept (at zero level of human capital). Nevertheless, theestimated effect of FDI on growth may be approximately correct for countries with nearly average values of human capital.
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