The Hodrick-Prescott filter is a popular tool in macroeconomics for decomposing a time series into a smooth trend and a business cycle component. The last few years have witnessed global events, such as the Global Financial Crisis, the COVID-19 pandemic, and the war in Ukraine, that have had...

The term "frugal innovation" has established itself in scholarly discourse as well as in actual business practice in a short time. Nevertheless, its theoretical antecedents and underpinnings remain unclear. In this study we present results of a bibliometric analysis, which indicate that the...

This paper proposes a novel and flexible framework to estimate autoregressive models with time-varying parameters. Our setup nests various adaptive algorithms that are commonly used in the macroeconometric literature, such as learning-expectations and forgetting-factor algorithms. These are...