This paper presents an empirical verification of the demand price elasticity for piped water in major cities in Poland – it was the main goal of the research. The information concerning the demand reaction to price changes is substantial for sustainable urban water demand. Any prediction of...

There is vast literature examining how households’ income and consumption change over the life cycle. These studies, however, are usually restricted to developed economies. The main objective of this paper is to add to this literature by investigating the life cycle profiles and relative...

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The present paper considers a retiree of a certain age who is endowed with a certain amount of wealth and is facing alternative investment opportunities. One possibility is to buy a single premium immediate (participating) annuity-contract....