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This paper seeks to shed some light on the extent to which infrastructure sub-sectors - energy, telecommunications, water supply, sanitation, and transport - contributed to growth in East Asia during 1985-2004. It also attempts to provide additional insights on whether the relationship between infrastructure and growth depends on five additional variables: the degree of private participation in infrastructure, the quality of governance, the extent of rural-urban inequality in access to infrastructure services, country income levels, as well as geography. The findings show that greater stocks of infrastructure were indeed associated with higher growth. However, a more nuanced look at the sensitivity of infrastructure impacts on the five additional variables yields different results, with some sectors supporting conventional expectations and others yielding mixed or counter-intuitive results. In particular, the telecom and sanitation sectors yield statistically significant results supporting the a priori hypotheses; electricity and water infrastructure provide mixed results; and road infrastructure consistently contradicts a priori expectations. The results are consistent with the widely-accepted idea in policy research that infrastructure plays an important role in promoting growth, as well as with the viewpoint that certain countries' endowments influence the growth-related impacts of infrastructure.
Banks and Banking Reform --- Communities & Human Settlements --- Externalities --- Finance infrastructure --- Governance --- Governance Indicators --- Infrastructure development --- Road --- Road infrastructure --- Roads --- Sanitation --- Tax --- Transparency --- Transport --- Transport Economics, Policy and Planning --- Urban Development --- Urban Services to the Poor --- Urban Slums Upgrading
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The authors present a new database of minimum distance road routes connecting 138 cities in 27 countries across Europe and Central Asia. They use it to show that improved road network quality is robustly associated with higher intraregional trade flows. Gravity model simulations suggest that an ambitious but feasible road upgrade could increase trade by 50 percent over baseline, exceeding the expected gains from tariff reductions or trade facilitation programs of comparable scope. Cross-country spillovers due to overland transit are important: total intraregional trade could be increased by 30 percent by upgrading roads in just three countries-Albania, Hungary, and Romania.
Bottlenecks --- Costs --- High Transport --- Initiatives --- Investments --- Road --- Road Improvement --- Road Infrastructure --- Road Network --- Road Quality --- Road Transport --- Roads --- Route --- Routes --- Trans Transit Routes --- Transport --- Transport Costs --- Transport Data --- Transport Economics, Policy and Planning --- Travel --- True
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Using individual level employment data from Bangladesh, this paper presents empirical evidence on the relative importance of farm and urban linkages for rural nonfarm employment. The econometric results indicate that high return wage work and self-employment in nonfarm activities cluster around major urban centers. The negative effects of isolation on high return wage work and on self-employment are magnified in locations with higher agricultural potential. The low return nonfarm activities respond primarily to local demand displaying no significant spatial variation. The empirical results highlight the need for improved connectivity of regions with higher agricultural potential to urban centers for nonfarm development in Bangladesh.
Agglomeration economies --- Agriculture --- Airport --- Congestion --- Crops and Crop Management Systems --- Infrastructure development --- Labor Policies --- Poverty Reduction --- Road --- Road Infrastructure --- Rural Development --- Rural Poverty Reduction --- Rural roads --- Social Protections and Labor --- Transport --- Transport Economics, Policy and Planning --- Transport infrastructure --- Travel times
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This study examines the relationship between transport infrastructure and agriculture in Sub-Saharan Africa using new data obtained from geographic information systems (GIS). First, the authors analyze the impact of road connectivity on crop production and choice of technology. Second, they explore the impact of investments that reduce road travel times. Finally, they show how this type of analysis can be used to compare cost-benefit ratios for alternative road investments in terms of agricultural output per dollar invested. The authors find that agricultural production is highly correlated with proximity (as measured by travel time) to urban markets. Likewise, adoption of high-productive/high-input technology is negatively correlated with travel time to urban centers. There is therefore substantial scope for increasing agricultural production in Sub-Saharan Africa, particularly in more remote areas. Total crop production relative to potential production is 45 percent for areas within four hours' travel time from a city of 100,000 people. In contrast, it is just 5 percent for areas more than eight hours away. Low population densities and long travel times to urban centers sharply constrain production. Reducing transport costs and travel times to these areas would expand the feasible market size for these regions. Compared to West Africa, East Africa has lower population density, smaller local markets, lower road connectivity, and lower average crop production per unit area. Unlike in East Africa, reducing travel time does not significantly increase the adoption of high-input/high-yield technology in West Africa. This may be because West Africa already has a relatively well-connected road network.
Accessibility --- Agriculture --- Climate Change and Agriculture --- Connected road network --- Crops & Crop Management Systems --- Crossing --- Economic Theory & Research --- Impact of transport --- Macroeconomics and Economic Growth --- Population densities --- Population density --- Regional Economic Development --- Road --- Road information --- Road infrastructure --- Road quality --- Road type --- Rural roads --- Transport --- Transport costs --- Transport Economics Policy & Planning --- Transport infrastructure --- Travel speed --- Travel speeds --- Travel time --- Travel times
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This paper reviews recent progress and indicators of trade facilitation in member countries of the Association of Southeast Asian Nations. The findings show that import and export costs vary considerably in the member countries, from very low to moderately high levels. Tariff and non-tariff barriers are generally low to moderate. Infrastructure quality and services sector competitiveness range from fair to excellent. Using a standard gravity model, the authors find that trade flows in Southeast Asia are particularly sensitive to transport infrastructure and information and communications technology. The results suggest that the region stands to make significant economic gains from trade facilitation reform. These gains could be considerably larger than those from comparable tariff reforms. Estimates suggest that improving port facilities in the region, for example, could expand trade by up to 7.5 percent or USD 22 billion. The authors interpret this as an indication of the vital role that transport infrastructure can play in enhancing intra-regional trade.
Air --- Air transport --- Common Carriers Industry --- Driving --- Economic Theory and Research --- Free Trade --- Freight --- Industry --- International Economics & Trade --- Macroeconomics and Economic Growth --- Port facilities --- Public Sector Development --- Road --- Road infrastructure --- Trade Policy --- Transparency --- Transport --- Transport Economics, Policy and Planning --- Transport infrastructure
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