Yoğunlaşma bir sektördeki üretim ve fiyatın az sayıda firma tarafından kontrol edilmesidir. Endüstride faaliyet gösteren firma sayısı ve büyüklüğü yoğunlaşma düzeyinin oluşmasında önemli faktörlerdir. Piyasadaki yoğunlaşma düzeyini ölçmenin en bilinen yöntemleri...

This paper examines whether the stock price of the rating agency Moody’s reacts negatively to rating actions that could indicate low rating quality. The reaction to rating reversals, which Moody’s describes as particularly damaging to investors, is economically significant. It suggests that...

<Para ID="Par1">State agencies in infant-formula procurement auctions receive lower bids when they are in buyer alliances than when they are unallied. The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) uses an auction to procure infant formula. Manufacturers bid on the right to be...</para>

We analyze the role of international market size differences in determining the investment in process R&D (and thus firms’ competitiveness) in a trade model with oligopolistic market structure, non-homothetic production technology and costly trade. We show that the R&D effort is higher (or...