data.pharma {desk}

Pharmaceutical Advertisements

Description

This is a data set on quarterly commercials data of a pharmaceutical company.

Usage

data.pharma

Format

A data frame with 24 quarterly observations on the following four variables:

sales	sales of pharmaceutical product (in units of 100g).
ads	number of advertisements (in double pages).
price	price of pharmaceutical product (in euro per 100g).
adsprice	price of advertisements (in units of 1000 euro per double page).

Details

In Auer (2023, Chap. 23) and Auer et al. (2023, Chap. 23) these hypothetical data are used to illustrate the estimation of simultaneous equation econometric models.

Source

Auer, L.v. (2023): Ökonometrie - Eine Einführung, 8th ed., Springer-Gabler (https://www.oekonometrie-lernen.de).

References

Auer, L.v., Hoffmann, S. & Kranz, T. (2023): Ökonometrie - Das R-Arbeitsbuch, 2nd ed., Springer-Gabler (https://www.oekonometrie-lernen.de).