Despite occasional objections total factor productivity (TFP) has been widely recognised as the key determining composite component in the literature on economic growth. Most empirical studies of the contribution of TFP to growth are based simply on the conventional calculations of growth accounting. This paper argues that judging TFP solely in terms of growth accounting carries risks and loses...

There have been extensive studies exploring the relationship between agglomeration economies and economic growth. However, far less attention is paid to the nonlinear relationship of urbanization economies–firm productivity nexus, especially in developing countries. This paper aims to explore how urbanization economies impact the total factor productivity (TFP) of research and development (R&D)...

We assess long-run patterns of global agricultural productivity growth between 1970 and 2005 and examine the relationship between investments in technology capital and productivity. To measure agricultural total factor productivity (TFP) we employ a Solow-type growth accounting method to decompose output growth into input and TFP growth. For technology capital we construct two indexes reflectin...

OBJECTIVE This study used a market-basket approach to examine the availability and cost of a standard food shopping list (R-TFP) vs a healthier food shopping list (H-TFP) in the grocery stores used by a sample of 23 families of young children with type 1 diabetes mellitus (T1DM). METHODS The researchers used frequency counts to measure availability. The average cost of the R-TFP and H-TFP was...

This paper examines the empirical relationship between trade and total factor productivity (TFP) in South Africa. Using data on actual trade protection across different manufacturing sectors, it is shown that trade liberalization had a positive impact on TFP growth during the 1990s. In addition, time-series evidence on macro data supports a positive long-run relationship between TFP and opennes...

We begin the development of a theory of total factor productivity (TFP) by presenting a multi-sector model of general purpose technology (GPT) driven growth, which generates numerical data via simulation and confirm the theoretical predictions of Carlaw and Lipsey (2003) and Lispey and Carlaw (2004) that TFP is not a contemporaneous measure of technological change. The modeling framework enable...

BACKGROUND Resistance to adjuvant radiotherapy is a major cause of treatment failure in patients with glioblastoma (GBM). Autophagy inhibitors have been shown to enhance the efficacy of radiotherapy for certain solid tumors. However, current inhibitors do not penetrate the blood-brain-barrier (BBB). Here, we assessed the radiosensitivity effects of the antipsychotic drug trifluoperazine (TFP) o...

The sensitivity of agricultural productivity to climate has not been sufficiently quantified. The total factor productivity (TFP) of the US agricultural economy has grown continuously for over half a century, with most of the growth typically attributed to technical change. Many studies have examined the effects of local climate on partial productivity measures such as crop yields and economic ...

Type IV pili (Tfp), which have been studied extensively in a few Gram-negative species, are the paradigm of a group of widespread and functionally versatile nano-machines. Here, we performed the most detailed molecular characterisation of Tfp in a Gram-positive bacterium. We demonstrate that the naturally competent Streptococcus sanguinis produces retractable Tfp, which like their Gram-negative...

Microcalorimetric titrations of calmodulin with Ca2+ and trifluoperazine (TFP) at various molar ratios have been carried out at 25 degrees C and at pH 7.0. Ca2+ binding to calmodulin produces heat (-delta H) in the presence of TFP, while heat is absorbed in the absence of TFP. The total heat produced by Ca2+ binding to all four sites is increased at increasing TFP-to-calmodulin ratios, attainin...