For testing the equality of scale parameters of several inverse Gaussian distributions, we propose an exact test which is much easier to implement than the test proposed by  Chang et al. (2012). Our simulations indicate that our proposed test is also more powerful.

This paper presents some selective aspects of standard econometric methods and of new developments in econometrics that are important for applications with microeconomic data. The range includes variance estimators, measurement of outliers, problems of partially identified parameters, nonlinear...

In this study, we analyse the size and role of the Finnish event industry by utilising both industry- and firm-level data. Furthermore, we study the impacts of the Covid-19 crisis on companies operating in the event industry. Based on our results, the event industry accounts for 1.2% of the...