Journal of Risk Model Validation
ISSN:
1753-9587 (online)
Editor-in-chief: Steve Satchell
Crises, combined crises and their implications for firm profitability
Need to know
- We propose a new taxonomy of combined crises, where up to four concomitant crises are considered (banking, currency, debt, and recession).
- This study helps to establish the necessity of having multiple models to understand firm characteristics when explaining the impacts of crises on profitability.
- The overall significance of independent variables is much higher in times of non-crisis, suggesting other sets of variables to better explain profitability in times of crisis.
- As a model validation requirement, continuous/constant recalibration would be a prerequisite for firms’ profitability modelling, dependent on time and place, as patterns change even in accordance with the type of profitability index.
Abstract
This paper investigates how the interaction of distinct types of crises impacts firm profitability. Building on a taxonomy of combined crises, where up to four concomitant crises are considered (banking, currency, debt and recession), we estimate panel regressions of the main determinants of firm profitability for emerging and mature countries. Our results show that gross margin has a positive impact on firm profitability, especially in tranquil times. Leverage has a consistently negative impact on profitability, while for size a positive result is valid only in noncrisis periods. We found that the impact of other determinants, such as liquidity, external dependence, ownership and age, varies with the type of crisis and country. This study highlights the necessity of having more than one model to understand firm characteristics when explaining the impacts of crises on firm profitability. Previous profitability models are also indirectly validated, evidencing potential errors in model specification due to data selection. The findings of this investigation contribute to a growing literature showing that combinations of crises affect firm profitability differently from individual recessions or currency, banking or debt crises.
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