In this paper, we present a review of tax research. We survey four main areas of the
literature:(1) the informational role of income tax expense reported for financial …

The purpose of this study is to examine the impact of green tax incentives such as
investment tax credit and taxable income deductions related to the environmental …

As of 2022, the share of US income accruing to labor is at its lowest level since the Great
Depression. Updating previous studies with more recent observations, I document the …

This paper develops a general theory of aggregation in inefficient economies. We provide
nonparametric formulas for aggregating microeconomic shocks in economies with …

Using data on 800,000 corporate publications and patent citations to these publications
between 1980 and 2015, we study how corporate investment in research is linked to its use …

This paper presents direct measures of capital costs, equal to the product of the required
rate of return on capital and the value of the capital stock. The capital share, equal to the …

We present causal evidence of R&D tax incentives' positive impacts on a firm's own
innovation and that of its technological neighbors. Exploiting a change in size-based …

Since the late 1990s, over 75% of US industries have experienced an increase in
concentration levels. We find that firms in industries with the largest increases in product …

We study a Chinese policy that awards substantial tax cuts to firms with R&D investment
over a threshold or “notch.” Quasi-experimental variation and administrative tax data show a …

A number of recent papers have argued that US firms exert increasing market power, as
measured by their markups of price over marginal cost. I review three of the main …