This paper derives a three stage Cournot–oligopoly game for product innovation, expenditure on introducing the product and competition on the product market. Product innovation is assumed to increase consumer utility but is effective only if the innovating firm invests in marketing, so that consumers become aware of the newly developed product. Firms first decide whether or not to conduct produ...

OBJECTIVES The objectives of this study are to: (1) examine the pattern of price elasticity of three major tobacco products (bidi, cigarette and leaf tobacco) by economic groups of population based on household monthly per capita consumption expenditure in India and (2) assess the effect of tax increases on tobacco consumption and revenue across expenditure groups. SETTING Data from the 2011-...

George Janini is an economist in the Branch of Information and Analysis, Division of Consumer Expenditure Surveys, Bureau of Labor Statistics. GEORGE JANINI According to published reports by the Air Transport Association,1 the airline travel industry is looking to rebound from the September 11, 2001, (9/11) terrorist attacks. As reported, Americans were traveling in record numbers before 9/11 b...

The Consumer Expenditure Quarterly Interview Survey (CEQ) is an ongoing panel survey which collects detailed expenditure information from a national sample of households. High data quality is essential to accurately reflect the spending habits of American consumers. This study examines CEQ data quality in terms of the editing required during the data processing phase. Editing methods include im...

The paper examines the linkages between gender of household heads, education and household poverty in Nigeria between 1980 and 1996. Data analyzed were obtained from four national consumer expenditure surveys conducted in Nigeria in 1980, 1985, 1992 and 1996 by the Federal Office of Statistics. Adjustments were made for price differentials over time and across regions of the country. However, o...

The paper presents a smartphone application for monitoring physical activity and mental stress. The application utilizes sensor data from a wristband and/or a smartphone, which can be worn in various pockets or in a bag in any orientation. The presence and location of the devices are used as contexts for the selection of appropriate machinelearning models for activity recognition and the estima...

Using the consumer theory approach as suggested by Habibullah (2009), this study aims to shed new light on monetary authority by incorporating advertising expenditure, a variable that has been neglected in the past, into study of the money demand function in Indonesia. In addition, different measurements of monetary aggregates (simple-sum and Divisia money) have been used in the estimation to p...

Accurate and online Energy Expenditure Estimation (EEE) utilizing small wearable sensors is a difficult task with most existing schemes. In this work, we focus on accurate EEE for tracking ambulatory activities of a common smartphone user. We used existing smartphone sensors (accelerometer and barometer sensor), sampled at low frequency, to accurately detect EEE. Using Artificial Neural Network...

BACKGROUND Consumer-wearable activity trackers are electronic devices used for monitoring fitness- and other health-related metrics. The purpose of this systematic review was to summarize the evidence for validity and reliability of popular consumer-wearable activity trackers (Fitbit and Jawbone) and their ability to estimate steps, distance, physical activity, energy expenditure, and sleep. ...

  Background: Consumer behaviors at the household level have an impact on the quantity of food waste and the economic resources of the family and the country. This study aimed to assess food waste in a random sample of the Libyan community. Methods: A questionnaire was designed for the study and distributed randomly through social media, short message, e-mails, and via face to face interviews ...