A number of authors have attemted to test whether the U.S. economy is in a determinate or an indeterminate equilibrium. We argue that to answer this question, one must be impose a priori restrictions on lag length that cannot be tested. We provide examples of two economic models. Model 1...

This study empirically examines the development of the high-yield segment of the corporate bond market in the United States, as a pioneer country, and the United Kingdom and the euro area, as later adopting countries. Estimated diffusion models show for the United States a significant pioneer...