This paper presents theory and evidence to show that imperialism was a major factor impeding the spread of the industrial revolution during the century ending in the 1950s. Two empirical results stand out. First, analysis of historical evidence shows that most sovereign countries were implementing active industrial policies during the nineteenth century, while policies in dependent countries we...

We estimate a model with countryand industry-specific shocks that extends the dummy variable model used in the portfolio diversification literature by relaxing the restriction that all stocks with exposure to a given shock have the same exposure to that shock. We find that: i) This restriction is strongly rejected by the data. ii) Many industry betas are negative, while almost all country betas...

Two models were developed to evaluate total volume under and over-bark of Blackwood (Acacia melanoxylon R. Br.) stand trees. By variance analysis regarding volume with and without bark it was confirmed that trees age is responsible for 48 to 50% of its volumetric behaviour. Considered the averages of those variables and regarding the three homogeneous groups of the studied sites, a single model...

A true constant quality real estate price index should measure the general change in price level free from any change in quality over time. In recent years, the repeat-sales method has been widely used to construct constant quality property price indices. Since buildings depreciate over time, a simple repeat-sales index would underestimate the growth in property prices. The major problem of con...

This paper focuses on a systematic quantitative discussion of the shortand long-term impact of remarkable economic events on international trade in a two-stage framework. Firstly, procedures based on dummy variables are proposed to detect structural breaks, types and sizes of jumps caused by such events. Then we propose to apply a hierarchical CMS (Constant Market Share) model to all sub-period...

Physical therapists are trained in manual examination techniques to test the impaired motor functions of patients. In this study, we have introduced a wearable robotic dummy joint to simulate disordered joint resistances or behaviors to support physical therapists in learning such techniques. We developed a discontinuous joint friction model based on a stick-slip phenomenon to simulate knee joi...

Does growth management result in lower marginal land consumption rates? The literature offers inconclusive and inconsistent results. This paper uses new data covering all U.S. metropolitan areas and multiple time periods to estimate panel models of effects of growth management on the spatial extent of urban development. Dummy variable estimation misleadingly suggests that growth management incr...

This note presents the Seabreath wave energy converter, basically a multi-chamber floating oscillating water column device, and the lumped model used to size its chambers, the ducts and the turbine. The model is based on extensive testing carried out in the wave flume of the University of Padova using fixed and floating models with a dummy power take off and indirect measurement of the produced...

A multiple regression analysis of growth in juvenile tilapia Oreochromis niloticus and 0. aureus (Cichlidac) is presented based on experiments conducted from 1984 to 1987 in recirculating systems a t the Tilapia Genetics Laboratory of the University College of Swansea. Wales, UK. One regression model was derived for 0. niloticus, one for 0. aureua and one for both species jointly. Overall fit, ...

Economic activities, both on the macro and micro level, often entail wide-spread externalities. This in turn leads to disputes regarding the compensation levels to the various parties affected. We propose a method of deciding upon the distribution of the gains (costs) of cooperation in the presence of externalities when forming the grand coalition is efficient. We show that any sharing rule sat...