Recent research has focused on the estimates of the speed of adjustment to target leverage as the indicators of the importance of dynamic trade-off behavior. We show that the observed corporate financing behavior and the resulting dynamics of corporate debt ratios are such that the speed of adjustment is not an economically meaningful measure of the importance of target debt ratios. We conclude that partial adjustment regressions that rely on the existence of a well-defined target debt ratio are ill-suited for quantifying the importance of dynamic trade-off behavior vis-a-vis alternative theories.

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Information production associated with derivatives markets is not a sideshow; rather, it has significantly positive spillover effects on an array of corporate decisions of underlying firms. Using a regression-discontinuity design based on exogenous variation in options availability as an instrument for changes in the information environment, we show that options introductions have causal effects on corporate policies on both sides of the balance sheet. Through improved information efficiency, options availability reduces the need for debt and payout, increases efficient investment, and yields superior innovation. We conduct two independent experiments demonstrating that our instrument’s impact is not derived from alternative channels.