III. Capital Investment and Portfolio Returns Recent theoretical studies such as Berk, Green, and Naik imply an associ-ation between investment spending, valuation, and subsequent stock returns. In addition, models such as Gomes et al. (2003) assume that growth options are riskier than assets-in-place and suggest that the exercise of investment options reduces future stock returns. In this section we investigate whether returns vary across portfolios sorted by firm-specific growth rates in capital investment. We look at investment ofindividual firms because we seek to explain the size and value premiums by considering corporate investment, and most of the evidence on such premiums comes from firm-level data. We also employ the standard portfolio-based methodology common in the literature on market “anomalies” so that our findings can be directly compared to the results of thatliterature.
III. Capital Investment and Portfolio Returns Recent theoretical studies such as Berk, Green, and Naik imply an associ-ation between investment spending, valuation, and subsequent stock returns. In addition, models such as Gomes et al. (2003) assume that growth options are riskier than assets-in-place and suggest that the exercise of investment options reduces future stock returns. In this section we investigate whether returns vary across portfolios sorted by firm-specific growth rates in capital investment. We look at investment ofindividual firms because we seek to explain the size and value premiums by considering corporate investment, and most of the evidence on such premiums comes from firm-level data. We also employ the standard portfolio-based methodology common in the literature on market “anomalies” so that our findings can be directly compared to the results of thatliterature.<br>
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