whether the structure of the grain market has contributed to the price increases. Traders having market power could create … commodity price stickiness, implying that what goes up does not come down, leading to price increases. The study examines price …-Granger cointegration test is used to check for cointegration, while the Threshold Autoregressive Model is employed to investigate potential …

pork markets in the EU. Our results show that the speed of price transmission is positively related to the volume of pork … trade between two countries. Our results also reveal that intra-regional price transmission between old or between new … member states is more rapid than inter-regional price transmission between old and new member states, and that producer …

The threshold vector error correction model is a popular tool for the analysis of spatial price transmission and market … regimes, the profile likelihood estimator displays large bias and variance. Such settings are likely when studying price … by Goodwin and Piggott (2001), and an analysis of price transmission between German and Spanish markets for pork …

substantial price differences between gas from different export countries, and do prices move together? Time series of Norwegian …, Dutch and Russian gas export prices to Germany in 1990-1998 are examined. Cointegration tests show that the different border … prices for gas to Germany move proportionally over time, indicating an integrated gas market (the Law of One Price holds). We …

In this study, we examined the price transmission dynamics and market integration among domestic markets for Uganda …. The Wald test revealed asymmetric price transmission (APT) in speed alone for the pairs wholesale and retail prices of … prices respond more strongly to wholesale price increases than decreases, an implication of positive APT in the marketing …

After a period of growing disconnectedness of regional markets following the 1992 price liberalization in Russia, a …) model serves to test for market integration. To capture a movement toward integration (price convergence), a nonlinear time …

cointegration relationship with an asymptotically subsiding trend to capture movement toward integration. The analysis suggests that …

We study the role of distance and time in statistically explaining price dispersion for 14 commodities from 1732 to … less than would be predicted using distance, narrowing the effective ocean by more than 3000 km. Price dispersion declined …