In the U.S. market, for the same sample period (1981–2007), the monthly equal-weighted D10–D1
return spread for portfolios based on asset growth is −1.97% (t=−9.76), much higher than the −1.04%
spread for the All-Asia portfolios or −1.12% for the all-Asia portfolios excluding Japan. In other words,although the asset growth effect is pervasive in the Asian markets, its magnitude is generally weaker
than that in the U.S. market.
In Panel B of Table 2, we report the differences in stock returns between the D10 and D1 deciles
during each of the five years before portfolio formation (June of year t) and each of the five years after
portfolio formation. There is a pattern common to the Asian and U.S. markets. Relative to D1 stocks, D10
stocks typically have higher returns during the several years prior to portfolio formation but lower
returns starting from the portfolio formation year and in the five years after portfolio formation. This
pattern is further illustrated in Fig. 1.
In Fig. 2, we plot the time series of monthly equal-weighted return spreads (averaged over each 12-
month period) between D10 and D1 portfolios sorted on prior year's firm asset growth rate, for the allAsia
portfolios as well as for the U.S. For the all-Asia portfolios, the return spreads are negative
throughout the sample years, and there is no obvious time series trend of declining magnitude. The plot
also shows that the overall magnitude of the asset growth effect is weaker in Asian markets.
In the U.S. market, for the same sample period (1981–2007), the monthly equal-weighted D10–D1return spread for portfolios based on asset growth is −1.97% (t=−9.76), much higher than the −1.04%spread for the All-Asia portfolios or −1.12% for the all-Asia portfolios excluding Japan. In other words,although the asset growth effect is pervasive in the Asian markets, its magnitude is generally weakerthan that in the U.S. market.In Panel B of Table 2, we report the differences in stock returns between the D10 and D1 decilesduring each of the five years before portfolio formation (June of year t) and each of the five years afterportfolio formation. There is a pattern common to the Asian and U.S. markets. Relative to D1 stocks, D10stocks typically have higher returns during the several years prior to portfolio formation but lowerreturns starting from the portfolio formation year and in the five years after portfolio formation. Thispattern is further illustrated in Fig. 1.In Fig. 2, we plot the time series of monthly equal-weighted return spreads (averaged over each 12-month period) between D10 and D1 portfolios sorted on prior year's firm asset growth rate, for the allAsiaportfolios as well as for the U.S. For the all-Asia portfolios, the return spreads are negativethroughout the sample years, and there is no obvious time series trend of declining magnitude. The plotalso shows that the overall magnitude of the asset growth effect is weaker in Asian markets.
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