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Published online by Cambridge University Press: 11 April 2023
It is well documented that since at least the 1970s investment-cash flow (I-CF) sensitivity has been decreasing over time to disappear almost completely by the late 2000s. Based on a neoclassical investment model with costly external financing, we show that this pattern can be explained by the gradual increase of capital adjustment costs, attributable to the accumulation of knowledge capital. The result is robust to a variety of approaches, including Euler equation estimation and the simulated method of moments. More generally, our findings demonstrate that I-CF sensitivity should only be interpreted as a joint measure of financial and real frictions.
We thank Nathalie Moyen (the referee) for her valuable comments and suggestions. We are also grateful to Kevin Aretz, Shantanu Banerjee, Jan Bena, Patricia Boyallian, Aaron Brauner, Sudipto Dasgupta, Daniel Ferreira (discussant), Hans Frimor, Vasso Ioannidou, Paul Malatesta (the editor), Zeynep Onder, Toni Whited, seminar participants at Bilkent University, Università Cattolica del Sacro Cuore, Lancaster University, University of Southern Denmark, the 2017 Annual Corporate Finance Conference, 2017 British Accounting and Finance Association, 2017 World Finance Conference, 2017 KoLa Workshop, and the 2017 NWSSDTP Workshop for helpful comments. Any remaining errors are ours.