The business media play an active role in influencing stock prices. Statistically significant excess returns at the time of the publication of stock recommendations have been documented many times. Frequently these abnormal gains begin to accumulate long before the publication date. In most cases they reach their highs on the day the recommendations are disseminated to the public. With few exce...

This paper presents an econometric analysis of the effects of price support programs and stocks on price dynamics and price volatility. Considering a price support program as a censoring mechanism, market prices are specified as a dynamic Tobit model with time varying volatility. The model is applied to the U.S. nonfat dry milk market to examine the impact of market liberalization on price dyna...

We present a new cryptographic auction protocol that prevents extraction of bid information despite any collusion of participants. This requirement is stronger than common assumptions in existing protocols that prohibit the collusion of certain third-parties (e.g. distinct auctioneers). Full privacy is obtained by using homomorphic ElGamal encryption and a private key that is distributed among ...

Private sector research and development (R&D) in food processing has seen a growing share of agricultural R&D. This paper analyzes market and technological links between farmer-entrepreneurs and food processing firms. It is shown that processing sector R&D tends to display explosive cycles. To avoid explosive cycles, the processing sector sets the R&D growth path and its target. Dynamic adjustm...

This paper estimates optimal hedging ratios for a Finnish spring wheat producer under price and yield uncertainty. The contract available for hedging fixes the price and quantity at the time of sowing for a delivery at harvest. Autoregressive models are used to obtain point forecasts for the conditional mean price and price volatility at harvest. Expected yield and yield volatility are estimate...

This paper investigates how oil price (OP) influences the prospects of green bonds by utilising quantile-onquantile (QQ) method and researching interactions between OP bond index (GBI) from 2011:M1 to 2021:M11. We find that impacts on GBI are positive in short run. The effects indicate high can promote development market, indicating be considered an asset avoid shocks. However, medium long term...

Price dispersion is analyzed in the context of a queuing market where customers enter queues to acquire a good or service and may experience delays. With menu costs, price dispersion arises and can persist in the medium and long run. The queuing market rations goods in the same way whether firm prices are optimal or not. Price dispersion reduces the rate at which customers get the good and redu...

Despite the early access procedures for marketing authorization (MA) valid throughout European Union still in most of Member states patient to innovative medicines depends on cost-effectiveness, budget impact assessment and negotiations price discount with public payers. Retrospective analysis availability time market authorized under agency’s specific shows that despite shortening after 2013, ...