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Celem artykułu jest ustalenie, czy między wskaźnikiem kosztów uczestnictwa a wynikami funduszy inwestycyjnych zachodzi długoterminowa relacja. W tym celu wykorzystano klasyczne narzędzia analizy szeregów czasowych, tj. test stacjonarności KPSS oraz analizę kointegracji procedurą Engle’a-Grangera i test Johansena. Badanie prowadzone było na podstawie relatywnie dużej próby badawczej dotyczącej czterech...
The aim of this paper is to examine if fund attributes such as size, age and family size influence the expense ratio. The study employs multiple regression analysis for cross-section data with the use of three methods of estimation (OLS, Fama–MacBeth and IRLS). The analysis is conducted using data from four segments of Polish mutual funds. The results confirm the existence of small economies of scale...
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