Measuring cost savings in the operating room: a matter of FOCUS (follow-through, obsolescence, control, utilization, standardization)

In summary, changes came slowly at first in the OR. The biggest inventory reduction came about a year after the effort had begun. It would seem that tackling obsolescence, standardizing products, etc. would give an initial "big chunk" savings, with small amounts coming later as inventories are lowered. What we expected did not occur, due to the inherent nature of practices and what was customarily being used. For example, previously, some equipment purchases were paid for by purchasing product, which resulted in long-term commitments and high supply costs. The OR at times seemed more like a process of managing change, not just supplies. FOCUS is a daily process. How many times can you afford to overlook this process? How often are the mistakes of the past repeated? In review, we suggest this simple outline: Follow-through (review each case from start to finish), Obsolescence (schedule inventories every six months), Control (achieve inventory management by adjusting PAR levels to needs), Utilization (utilize product/equipment with your control), and Standardization (standardize products and measure results).     

Book Reviews

Anthony J. Whitten, Sengli J. Damanik, Jazanul Anwar and Nazaruddin Hisyam, The Ecology of Sumatra, Yogyakarta: Gadjah Mada University Press, Second Edition, 1987, pp. 583 + xx.

Christine Drake, National Integration in Indonesia: Patterns and Policies, Honolulu: University of Hawaii Press, 1989, pp. 354 + xvi. Cloth: US$ 35.00.

Geoffrey B. Hainsworth (ed.), Environmental Linkages, Halifax: School for Resource and Environmental Studies, Dalhousie University, 1985, pp. 97.

R. Repetto et al., Wasting Assets: Natural Resources in the National Income Accounts, Washington DC: World Resources Institute, June 1989, pp. 69 + vi. Paper: US$10.00.

William E. James, Seiji Naya and Gerald M. Meier, Asian Development: Economic Success and Policy Lessons, Madison, Wisconsin: University of Wisconsin Press, 1989, pp. 281 + Xviii.

Robert B. Dickie and Thomas A. Layman, Foreign Investment and Government Policy in the Third World: Forging Common Interests in Indonesia and Beyond, London: MacMillan, 1988, pp. 240 + xxxi. £35.

Alan Gelb and Associates, Oil Windfalls: Blessing or Curse? New York: Oxford University Press, for the World Bank, 1988, pp. 357 + x. $32.50.

Benjamin Higgins, The Road Less Travelled: A Development Economist's Quest, History of Development Studies 2, Canberra: National Centre For Development Studies, the Australian National University, pp. 204 + x. Paper: A$20.00

BRIEFLY NOTED: Sarwar Hobohm, Indonesia to 1993: Breakthrough in the Balance, London: Economist Intelligence Unit, Special Report no. 2012, 1989, pp. 91, £190 for this Plus the Companion Report, Indonesia to 1991: Can Momentum be Regained?

Geoffrey Hainsworth and Hasan Poerbo (eds), Local Resource Management: Towards Sustainable Development, Halifax: School for Resource and Environmental Studies, Dalhousie University, 1987, pp. 69 + xii.

H.W. Dick, Industri Pelayaran Indonesia: Kompetisi dan Regulasi, Jakarta: LP3ES, 1990, 306 + xxv.     

On the theory of macroeconomic policy

Summary Jan Tinbergen originated the theory of policy in the 1950s. Here I apply it to contemporary macroeconomics. The two standard instruments of short-run demand management cannot achieve the two usual targets, full employment and price stability. With respect to those goals, these two instruments are collinear, except for small and transient effects on foreign exchange rates. But the mix of fiscal and monetary policies, relative to one another, does have important effects on the composition of national output, as between investment and consumption.I point out that policy-makers, like portfolio managers, should diversify the instruments they use when they are uncertain of their effects. I discuss some pitfalls in the empirical estimation of policy effects, especially possible misinterpretations of simple correlations, and I note that policy rules cannot be invariant to changes in macroeconomic structure. I argue that policy rules should involve responses to new information and in practice allow discretion. Finally, I suggest that Tinbergen's theory of policy needs to be extended to policy coordination among nations.Third Tinbergen Lecture delivered on October 20, 1989, in Utrecht for the Royal Netherlands Economic Association.     

Socio‐economic factors determining the success achieved among cotton‐adopting households in two magisterial districts of KwaZulu

The aim of the paper is to investigate certain aspects of the post‐adoption behaviour of dryland cotton farmers in the Ubombo and Hlabisa magisterial districts of KwaZulu. Particular attention is paid to the socio‐economic determinants of the success (returns per hectare) of the household cotton enterprise.

Multi‐stage sampling methods were used to draw a random sample of fifty cotton‐farming households from each of the two study districts. The data were collected by interview survey and analysed using principal components and regression techniques.

Results suggest that the success of the household enterprise in both areas is largely determined by the socio‐economic environment under which the producer operates. The most important success‐determining factors are those relating to the human capital endowments and economic status of the household.     

THE ROLE OF EXCHANGE RATE IN SINO-U.S. BILATERAL TRADE

We use the error component two-stage least squares estimation method to examine the effects of the Sino-U.S. exchange rate and the weighted exchange rate between the United States and other Asian countries on the Sino-U.S. trade patterns. Our study suggests that both the exchange rates have contributed to China's increased trade surplus with the United States. China has imported intermediate goods from the Asian countries, produced final goods using its cheap labor, and exported those goods to the United States. This is especially true for bilateral trade of high-tech manufacturing goods. Our study also reveals that the U.S. bilateral trade balance could improve if China appreciates its currency (Yuan) against the U.S. dollar. ( JEL F14, F10, F19)     

Discriminating Among Alternative Theories of the Multinational Enterprise

Recent theoretical developments have incorporated endogenous multinational firms into the general–equilibrium model of trade. One simple taxonomy separates the theory into "vertical" models, in which firms geographically separate activities by stages of production, and "horizontal" models, in which multiplant firms duplicate roughly the same activities in many countries. The authors nest a horizontal and a vertical model within a hybrid (unrestricted) "knowledge–capital model" and estimate the specifications with data on US foreign direct investment activity. In the nested econometric tests, the data sample cannot distinguish statistically between the unrestricted model and the restricted horizontal model, indicating that the latter captures virtually all of the determinants of FDI. The tests overwhelmingly reject the vertical model.