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TWO PAPERS ON FERTILITY - THE CASE OF SWEDEN

Westerberg, Thomas - Institutionen för Nationalekonomi, Umeå Universitet - 2006

This thesis consists of two papers dealing with fertility in Sweden. In paper [1] we discuss possible explanations for … the variation in the Swedish fertility. We are primarily interested in economic and social conditions and their impact on … the total fertility rate between 1965 and 2003. The period is chosen because of (i) the strong fluctuation in the TFR …

Persistent link: https://www.econbiz.de/10005424029

TIME SERIES MODELLING OF HIGH FREQUENCY STOCK TRANSACTION DATA

Quoreshi, Shahiduzzaman - Institutionen för Nationalekonomi, Umeå Universitet - 2006

This thesis comprises four papers concerning modelling of financial count data. Paper [1], [2] and [3] advance the integer-valued moving average model (INMA), a special case of integer-valued autoregressive moving average (INARMA) model class, and apply the models to the number of stock...

Persistent link: https://www.econbiz.de/10005651931

Economics without markets. Four papers on the Contingent Valuation and Stated Preference Methods

Vredin Johansson, Maria - Institutionen för Nationalekonomi, Umeå Universitet - 1999

This thesis consists of four papers. The first two papers deal with the valuation of an endangered species, the African elephant. The third paper is on the assessment of attribute values for work trips. The fourth paper models the number of alternative travel modes for work trips. Paper [I]...

Persistent link: https://www.econbiz.de/10005651934

Essays in the Economics of Dental Insurance and Dental Health

Olsson, Christina - Institutionen för Nationalekonomi, Umeå Universitet - 1999

This thesis consists of four papers, all of which are concerned with the demand for and consumption of dental care services. In Paper [I] the presence of supplier induced demand is studied in the Swedish market for dental care. A two-part, hurdle model is used to capture the fact that the...

Persistent link: https://www.econbiz.de/10005651938

Count Data Modelling and Tourism Demand

Hellström, Jörgen - Institutionen för Nationalekonomi, Umeå Universitet - 2002

This thesis consists of four papers concerning modelling of count data and tourism demand. For three of the papers the focus is on the integer-valued autoregressive moving average model class (INARMA), and especially on the INAR(1) model. The fourth paper studies the interaction between...

Persistent link: https://www.econbiz.de/10005651973

Modelling High Frequency Financial Count Data

Quoreshi, Shahiduzzaman - Institutionen för Nationalekonomi, Umeå Universitet - 2005

This thesis comprises two papers concerning modelling of financial count data. The papers advance the integer-valued moving average model (INMA), a special case of integer-valued autoregressive moving average (INARMA) model class, and apply the models to the number of stock transactions in...

Persistent link: https://www.econbiz.de/10005651976

Demand and Welfare Effects in Recreational Travel Models: A Bivariate Count Data Approach

Hellström, Jörgen; Nordström, Jonas - Institutionen för Nationalekonomi, Umeå Universitet - 2005

In this paper we present a non-linear demand system for households' joint choice of number of trips and days to spend at a destination. The approach, which facilitates welfare analysis of exogenous policy and price changes, is used empirically to study the effects of an increased CO2 tax. In the...

Persistent link: https://www.econbiz.de/10005652003

A Vector Integer-Valued Moving Average Modelfor High Frequency Financial Count Data

Quoreshi, Shahiduzzaman - Institutionen för Nationalekonomi, Umeå Universitet - 2006

A vector integer-valued moving average (VINMA) model is introduced. The VINMA model allows for both positive and negative correlations between the counts. The conditional and unconditional first and second order moments are obtained. The CLS and FGLS estimators are discussed. The model is...

Persistent link: https://www.econbiz.de/10005652015

MoreWork, Less Kids - The Relationship Between Market Experience and Number of Children

Westerberg, Thomas - Institutionen för Nationalekonomi, Umeå Universitet - 2006

children than women with lower. However, this holds only when non-completed fertility is analyzed. It is not valid for the … group of women with completed fertility. …

Persistent link: https://www.econbiz.de/10005652051

Advertising as a Signaling Device in the Swedish Pharmaceuticals Market

Hellström, Jörgen; Rudholm, Niklas - Institutionen för Nationalekonomi, Umeå Universitet - 2003

The paper empirically studies whether pharmaceutical firms uses advertising as a signal for high quality drugs. A nested random effects count data hurdle model is introduced to handle the excess number of zero observations in the sample as well as nested random drug, firm and substance specific...

Persistent link: https://www.econbiz.de/10005652054