BACKGROUND Technological advances have seen a burgeoning industry for accelerometer-based wearable activity monitors targeted at the consumer market. The purpose of this study was to determine the convergent validity of a selection of consumer-level accelerometer-based activity monitors. METHODS 21 healthy adults wore seven consumer-level activity monitors (Fitbit One, Fitbit Zip, Jawbone UP,...

This paper investigates the forecasting accuracy of the trimmed mean inflation rate of the Personal Consumption Expenditure (PCE) deflator. Earlier works have examined the forecasting ability of limited-influence estimators (trimmed means and the weighted median) of the Consumer Price Index but none have compared the weighted median and trimmed mean of the PCE. Also addressed is the systematic ...

This paper studies the spatial economic activity in Turkey and estimates the correlation between wages and consumer demand across NUTS1 regions of Turkey. First, I estimate simple market potential function to test whether closeness to larger markets has impact on wages. Second, I estimate Krugman (1993) economic geography model to see the agglomeration forces in Turkey. The results suggest that...

This paper makes estimates of the level of underreporting of consumer expenditures. The paper examines reporting in particular commodity categories and attempts only to make estimates of underreporting among those that report at least one expenditure in the category. The measure of the level of underreporting in a category by a particular responding unit is based on latent class analysis using ...

Introduction Modern pharmaceutical industry in India emerged in the 1900s and with that regulation of pharmaceuticals also evolved. The reforms of the 90s while improving the exports, also brought in improved standards of quality to be followed in the entire supply chain of drugs. While for the manufacturers it meant documentation, increased expenditure, and more export opportunities, for the c...

Real annual consumption growth has averaged about 3.7% between 1998 Q1 and 2003 Q3—well above real average annual GDP growth of about 2.6% during that period. (2) Chart 1 shows that the buoyancy of consumer spending can be entirely accounted for by strong growth in durable and semi-durable goods expenditure (henceforth referred to as 'durable spending' unless otherwise specified). Since 1998 Q1...

Using data from the Consumer Expenditure Survey, this study compares household spending on different goods by insured versus uninsured households, controlling for total spending and demographic characteristics. The analysis shows that uninsured households, on average, spend more on housing, food, alcohol, and tobacco compared to insured households. These results suggest that both prices and pre...

Th e objective of this paper focuses on evaluating the impacts governance factors firm performance Vietnam ese listed consumer goods enterprises. The study uses 2 representing such as size director board (BS) , CEO Duality (CDU), and 4 controlling like stock p rice (SP) c apital expenditure to total assets (CAPEX) sale growth (GS) well (AS) assess influence . Firm is measured