This paper compares the P-bar model of price adjustment with the currently dominant Calvo specification. Theoretically, the P-bar model is more attractive as it depends on adjustment costs for physical quantities rather than nominal prices, while incorporating a one-period information lag....

ENGLISH ABSTRACT: This research studies the relationship between economic growth and commodity-market volatility in South Africa. The mining industry, largely supported by gold, diamonds, coal, iron ore and platinum-group metals, has played a central role in South Africa's economic development....

George Zis, David Cobham and Athanasios Papadopoulos. The cost of political intervention in monetary policy. International Finance, 2004, vol. 7, no. 3, pages 471-493. Published by and copyright Wiley-Blackwell Publishing. The definitive version of this article is available from...