The construction industry is one of the largest sectors in the U.S. economy, yet little is known about the key macroeconomic parameters that affect its industry’s structure and performance. The main objectives of this research are 1) to analyze the macroeconomic performance of construction industry as a whole and at fourteen of its sub-sectors in terms of labor productivity, gross margin, and w...

OBJECTIVE This study explores the fiduciary advantage of a Vascular Surgery program to an academic, tertiary care hospital. METHODS This is a retrospective review of hospital (HealthQuest) and physician (IDX) billing databases from April 2009 to September 2010. We identified all patients interacting with Vascular Surgery (VS) to provide an overview of global finances. Patients introduced sole...

Inventory turnover varies widely across retailers and over time. This variation undermines the usefulness of inventory turnover in performance analysis, benchmarking and working capital management. We develop an empirical model using financial data for 311 public-listed retail firms for the years 1987-2000 to investigate the correlation of inventory turnover with gross margin, capital intensity...

This paper presents an application of a two and three stages difference in differences model to measure environmental and economic impacts of Farmer Field School on crop and pest management practices of rice in Thailand. Panel data from 241 farm households were collected three times over a period of four years in five rice-producing provinces of Thailand. Data included socio-economic data descr...

The present study was conducted to investigate the impact of breeding season on the productivity and profitability of Barki flock. Simulation technique was used based on technical coefficients derived from statistical analysis of the basic data. Basic data utilized in this study were obtained from the accumulated records collected over 34 successive breeding seasons from 1972 to 2005 of Barki s...

The study focused on the production cost efficiency and profitability of Abakaliki rice in Ihialia Local Government Area of Anambra State, Nigeria.. A random sampling technique was employed to select a total of 100 Abakaliki rice farmers from the study area. Data collection was achieved through the administration of structured questionnaire assisted with personal interview. Data analysis was do...

Returns of an individual enterprise in the short term are usually measured through a gross margin budget, which is determined by subtracting factors such as the cost of weed control (both herbicide and non-herbicide) and other inputs (eg seed and fertiliser) from gross income (calculated as crop yield multiplied by grain price). Crop yield is directly influenced by weed density, which itself is...

In this study, the resilience of farm production plan through different management adjustments was analyzed. For purpose, a model based on mathematical programming applied. Through organized workshops typical farms focusing dairy were defined qualitative and quantitative classification. Data obtained from various databases expert assessments agricultural sector. Analysis carried out for three t...

background: now the vast majority of breast tumors are treated using breast conservation therapy (bct) method, including lumpectomy and radiotherapy. this study aimed to evaluate the effects of intraoperative frozen section in patients undergoing breast conservation surgery. methods: totally 237 women who included in the category for breast conservative or oncoplastic surgery and post-operative...

In the last few lectures we have seen how to obtain high confidence bounds on the generalization error of functions learned from function classes of limited capacity, measured in terms of the growth function and VC-dimension for binary-valued function classes in the case of binary classification, and in terms of the covering numbers, pseudo-dimension, and fat-shattering dimension for real-value...