congenital malformation (cm) will begin to emerge as one of the major childhood health problems .treatment and rehabilitation of children with congenital malformations are costly and complete recovery is usually impossible. the aim of this study was to determine frequency of cm in yazd central city of the islamic republic of iran to find out if there has been any difference in the rate and type...

This paper develops a model of weight assignments using a pseudo-Bayesian approach that reflects investors’ behavioral biases. In this parsimonious model of investor sentiment, weights induced by investors’ conservative and representative heuristics are assigned to observations of the earning shocks of stock prices. Such weight assignments enable us to provide a quantitative link between some m...

The anomalies literature in capital markets research in finance and accounting is based (almost) exclusively on average realized returns. In contrast, we construct accountingbased expected returns for dollar-neutral long-short trading strategies formed on a wide array of anomaly variables, including book to market, size, composite issuance, net stock issues, abnormal investment, asset growth, i...

In the past, gift-giving has interested mainly anthropologists because it was taken to be a primitive mode of exchange. Recent contributions of economists acknowledge however that gift-giving is still present in modern exchange economies. In this paper gifts are characterized by motivations. Two main features of gift giving are to be explained: (in-)adequacy and (non-)reciprocity. It is argued ...

This paper develops a model of weight assignments using a pseudo-Bayesian approach that reflects investors’ behavioral biases. In this parsimonious model of investor sentiment, weights induced by investors’ conservative and representative heuristics are assigned to observations of the earning shocks of stock prices. Such weight assignments enable us to provide a quantitative link between some m...

This paper analyzes market efficiency (EMH) with the day‑of‑the‑week effect and changes that might appear after outbreak of COVID–19 pandemic, based on example OMX Exchange its indices. Before only Baltic All‑share index was efficient; during OMXCPI Index, which represents Copenhagen stock market, not affected by anomaly. The change in observed relation to periods before additionally between sp...