As part of a study aimed at estimating suburban highway needs for year 2005, models were developed for forecasting daily vehicle miles of travel (DVMT) for urban areas and its distribution by highway functional class, urban location, and urban area size. A regression model combining both time...

A summary is given of research evaluating the economic effects of existing and prospective federal policies governing intercity and international freight and passenger transportation enterprises in the economy of the United States. The analysis encompasses all modes of transportation, including...

The purpose of the research described in this paper was to examine the effects of using longer and heavier tractor-trailer combinations from the standpoint of the individual firm or shipper rather than from the viewpoint of the motor carrier. The objective was to determine the effect of longer...

One of the main components of the Environmental Protection Agency's (EPA) Clean Materials Program is to prevent the loss of radioactive materials through the use of tracking technologies. If a source is inadvertently lost or purposely abandoned or stolen, it is critical that the source be...

Based on recent development of international economics, this paper aims to evaluate in what extent privatestandards impact trade, and more precisely trade of French agri‐food firms.Our paper explores an original "handmade" database identifying French agri‐food firms which are certified...

This study uses a unique firm-level dataset to examine how falling trade costs from 1993-2001 affected entry, exit, productivity, and exporting in the Korean manufacturing sector. We verify many of the predictions of recent heterogeneous-firm models of international trade. For example, falling...

Replaced with revised version of paper 07/16/07.

This article offers a new reading ofintra-European trade based on recent developments innew international economics (Melitz, 2003; Chaney,2008). These models take the heterogeneity of firmsinto account and offer a micro-economic analysis ofthe process of selection at work for firms enteringmarkets....

First chapter aims to quantify the role of trade in capital goods incross country income differences. I construct a multi-country general equilibriummodel of trade along the line of Eaton and Kortum (2002) and Alvarezand Lucas (2007) and introduce trade in capital goods and capital...

Small and micro-enterprises play a significant part in most economies. However, in developing countries these enterprises have often been planned and implemented from a poverty alleviation perspective, rather than as entrepreneurial activities and growing businesses (Mead & Liedholm 1998, Toye...