Can the increasing significance of knowledge-products in national income— the growing weightless economy—influence economic development? Those technologies reduce “distance” between consumers and knowledge production. This paper analyzes a model embodying such a reduction. The model shows how demand-side attributes—consumer attitudes on complex goods; training, education, and skills for consump...

I propose a novel method of estimating the potential level of U.S. GDP in real time. The proposed wage-based measure of economic potential remains virtually unchanged when new data are released. The distance between current and potential output – the output gap – satisfies Okun’s law and outperforms many other measures of slack in forecasting inflation. Thus, I provide a robust statistical tool...

the genetic variation and diversity among fifty-eight polyvoltine silkworm genotypes was estimated by using ten economic traits. the results revealed that the single shell weight showed higher genetic variation such as pcv% (17.20%), gcv% (12.93%), and heritability (56.5%) followed by single cocoon weight, shell ratio and matured larval weight. the d2 (mahalonobis? distance) statistics revealed...

depth review of egyption recent developments in the overthrow of hosni mubarak's regime andelected government after the revolution, shows that recent movement in this country needs a analysis is based on political economy .certain direction the egyptian people in revolution, not merely for greater freedom and not the slightest tendency to set up tent style democracy such as the west, but o...

Despite its apparent distance from the core topics of economics, economists have been attracted to, and deeply engaged in, research about teen fertility for more than a quarter century. Research has focused on two broad, interrelated issues: the socio-economic consequences of a teen birth and the socio-economic causes of a teen birth. In researching these issues, economists have drawn on and ex...

This paper counters proponents of the Ôweightless economyÕ who have suggested the Ôdeath of distanceÕ in relation to economic and social activities that use the worldwide web (WWW). An analysis of new media developers in New YorkÕs ÔSilicon AlleyÕ demonstrates that place and distance are still important. The most important aspect of this co-location is the possibility of social interaction. Thi...

The geographic element through studies of cities and regions has recently been rediscovered in economic research. Understanding why economic activity tends to concentrate geographically is by many believed to hold important information for the understanding of economic growth and international trade in general. Early contributions of the classical location theory provide the first explanations ...

A simple, economic and successful design for distance and cable length detection is presented. The measurement system is based on the continuous repetition of a pulse that endlessly travels along the distance to be detected. There is a pulse repeater at both ends of the distance or cable to be measured. The endless repetition of the pulse generates a frequency that varies almost inversely with ...

Co-located firms within related industries enhance the ability to create knowledge by variation and a deepened division of labour. The interdependent development between economic activities and local institutions make the cluster attractive to some industries and hostile to others. The very reasons why cognitive distance might be small within the cluster tend to make cognitive distance great be...

Success in international trade depends, amongst other things, on distance from markets. Most new economic geography models focus on the distance between countries. In contrast much less theorizing and empirical analysis have focused on how distances within a country—for instance due to the location behaviour of exporting firms—matter to international trade. In this paper we contribute to the li...