Merger Simulation and Calibration

Analyze mergers between firms. Models of competition include differentiated Bertrand price-setting, Nash bargaining, and second score auctions, as implemented in Panhans and Taragin (2023) . Calibrates demand systems including standard logit, nested logit, and generalized nested logit as implemented in Panhans and Wiemer (2026) .

mergersim

This repository contains a collection of functions that can be used to conduct model calibration and merger simulation, and to replicate the results from Panhans and Taragin 2023 and Panhans and Wiemer 2025.

Installation

You can install the development version of mergersim from GitHub with:

# install.packages("devtools")
devtools::install_github("mpanhans/mergersim")

You can install the released version of mergersim from CRAN with:

install.packages("mergersim")

Example

See the package vignettes for examples:

vignette("horizontal-merger-simulations", package = "mergersim")

Disclaimer

Any views expressed in this software or documentation are those of the author and do not necessarily reflect those of the Federal Trade Commission or any individual Commissioner.