Like many medical studies, the Berlin Aging Study II (BASE·II) is based on a non·random "convenience sample" of self …·recruited participants. To study processes of selectivity in BASE·II, we used an identical questionnaire to compare BASE·II with a large … participants in BASE·II and SOEP to be analysed easily. Based on this selectivity analysis, we then generated propensityscore …

The 2002 Farm Act provided farmland owners the opportunity to update commodity program base acres and payment yields … incentives in these decisions, selecting those options for designating base acres that resulted in the greatest expected flow of … payment-maximization argument. In general, landowners favored maximizing payments over aligning base acres to current or …

The paper analyzes merchandise and especially agrarian trade of Visegrad (V4) countries. It especially analyzes their … decade and to compare differences existing in the area of merchandise and agricultural trade development. Another very … findings, it can be said that merchandise and agricultural trade for each V4 country changed significantly during the analysed …

The paper presents in the first part theoretical aspects regarding merchandise imports on one’s own account, on short … term trade credit. In the second part it approaches a practical application of accounts related to merchandise imports on … one’s own account, on short term trade credit. Foreign Trade Companies’ merchandise imports, as an indirect form of …

-crisis level. Merchandise trade in the region grew by more than 30% in 2010, compared with 21% growth in world merchandise trade. …