retailers_freight: retailers_freight

In Iannacks/SP.Survey: SP survey

retailers_freight

Usage

data("retailers_freight")

Format

A data frame with 2661 observations on the following 3 variables.

piazz

a numeric vector containing the number of loading/unloading bays (L/U) for freight commercial vehicles

prob

a numeric vector indicating the probability to find the L/U free

tariffa

a numeric vector indicating the entrance fee to the restricted traffic zone in Rome

alt

a numeric vector that indicate the alternative considered in a specific choice set

resp

a numeric vector that assume the value 1, if the alternative have been chosen, 0 otherwise

Details

This dataset is a part of a broader research on Roman LTZ concerning the behaviour of urban freight stakeholders' in Rome. The respondents was asked to choose between a set of freight policies characterized by the three attributes "piazza","prob" and "tariffa" and a status quo option, corresponding to the urban freight situation at that time.

Source

1)Marcucci, E., Stathopoulos, A., Gatta, V., & Valeri, E. (2012). A Stated Ranking Experiment to Study Policy Acceptance: the Case of Freight Operators in Rome's LTZ. A Stated Ranking Experiment to Study Policy Acceptance: the Case of Freight Operators in Rome's LTZ., 11-30. 2)Marcucci, E., Gatta, V., Stathopoulos, A., & Valeri, E. (2011). Designing an efficient stated ranking experiment for ex-ante urban freight policy evaluation in a three agent type context: retailers, own-account and carriers. Available from Internet: http://www. sietitalia. org/wpsiet/WP-SIET-EMarucci-Vgatta-AStathopoulos-EValeri2011. pdf.

Examples

data(retailers_freight)

Iannacks/SP.Survey documentation built on May 18, 2023, 11:23 a.m.