In this section, we consider the hypothesis that the negative correlation
between stock price co-movement and per capita income is due to "rms in
low-income economies having more correlated economic fundamentals. To test
this hypothesis, we include speci"c structural variables in the vector x
j that
might provide separate proxies for such an effect. These variables are macroeconomic
volatility, country size, and economy diversification. Since these variables
may not encompass all sources of market-wide price movement, we also include
a direct measure of earnings co-movement for firms in each economy using
standardize "rm-level accounting data. If including these variables in the
vector x
j renders per capita income insignificant in regression (11), we can
conclude that per capita income provides a proxy for these structural effects.
A description of each structural independent variables follows.
In this section, we consider the hypothesis that the negative correlationbetween stock price co-movement and per capita income is due to "rms inlow-income economies having more correlated economic fundamentals. To testthis hypothesis, we include speci"c structural variables in the vector xj thatmight provide separate proxies for such an effect. These variables are macroeconomicvolatility, country size, and economy diversification. Since these variablesmay not encompass all sources of market-wide price movement, we also includea direct measure of earnings co-movement for firms in each economy usingstandardize "rm-level accounting data. If including these variables in thevector xj renders per capita income insignificant in regression (11), we canconclude that per capita income provides a proxy for these structural effects.A description of each structural independent variables follows.
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