Raport powstał z inicjatywy Fundacji Pomocy Matematykom i Informatykom Niesprawnym Ruchowo w ramach projektu „Centrum Edukacji i Aktywizacji Zawodowej Osób Niepełnosprawnych - Oddziały Bydgoszcz i Łódź". Stanowi on rezultat badań zjawiska niepełnosprawności i kategorii społecznej,...

This report was made on the initiative of the Foundation Supporting Disabled Mathematicians and IT professionals in the project "Centre for Education and Vocational Activation of Persons with Disabilities - Branches Bydgoszcz and Lodz." It is the result of research on disability phenomenon and...

This paper points out an empirical failing of real business cycle models in which unemployment is endogenized through a matching function. One can easily choose a calibration to make the cyclical fluctuation in unemployment as large in the model as it is in the data, or to make the response of...

The paper presents empirical results on the discounting of delayed payoffs which show that: (1) the best approximation of the discounting process is a hyperbolic function, (2) (both animals and humans) can reverse their preferences in time. The article presents theoretical conditions on the...

We examine the estimation problem for shape-restricted functions that are continuous, non-negative, monotone non-decreasing, and strictly concave. A sieve estimator based on bivariate Bernstein polynomials is proposed. This estimator is drawn from a sieve, a set of shape-restricted Bernstein...