Path dependent and heterogeneity effects in investment risk ratings: A cross-country evidence

Manitra A. Rakotoarisoa

International Review of Economics & Finance, 2017, vol. 51, issue C, 19-35

Abstract: Countries that have endured similar levels of financial or economic crisis and responded with corresponding levels of effort often do not recover or attract investment at the same rate. I examine a panel of monthly observations on investment risk ratings for 145 countries between 1984 and 2015 to determine what causes the differences in durations before an upgrading or a downgrading of a country’s investment risk ratings. Using duration models with random effects, which take into account the multiple spells and ranked exits, allows estimations of the stepwise exit rates from each rating category. After controlling for key time-varying indicators such as GDP growth, political and financial ratings, and trade openness, I find that each of the following contributes to the differences in the duration and exit in investment risk ratings across countries and rating categories: (i) path-dependent effects specific to each level of rating; (ii) country- characteristics based on education attainment, geography, history and culture, and (iii) remaining heterogeneity effects that include the graders’ subjective assessments.

Keywords: C41, E44, F21, O57; Investment risk ratings; Hazard rates; Heterogeneity; Path dependence; Macroeconomics (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reveco:v:51:y:2017:i:c:p:19-35

DOI: 10.1016/j.iref.2017.04.005

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