CEO Personality Traits and Compensation: Evidence from Investment Efficiency
Yao Du, Iftekhar Hasan, Chih-Yung Lin, Chien-Lin Lu
Review of Quantitative Finance and Accounting,
forthcoming
Abstract
We examine the effects of the big five personalities of CEOs (openness, conscientiousness, extroversion, agreeableness, and neuroticism) on their annual compensation. We hand-collect the tweets of S&P 1500 CEOs and use IBM's Watson Personality Insights to measure their personalities. CEOs with high ratings of agreeableness and conscientiousness get more compensation. We further find that the firms with these CEOs outperform their peers due to better investment efficiency. Firms are willing to pay higher compensation for talent, especially for firms with better operations, located in states with higher labor unionization, or facing higher competition in the product market. Overall, CEO personality is a valid predictor of CEOs' compensation.
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Sticky Prices or Sticky Wages? An Equivalence Result
Florin Bilbiie, Mathias Trabandt
Review of Economics and Statistics,
forthcoming
Abstract
We show an equivalence result in the standard representative agent New Keynesian model after demand, wage markup and correlated price markup and TFP shocks: assuming sticky prices and flexible wages yields identical allocations for GDP, consumption, labor, inflation and interest rates to the opposite case- flexible prices and sticky wages. This equivalence result arises if the price and wage Phillips curves' slopes are identical and generalizes to any pair of price and wage Phillips curve slopes such that their sum and product are identical. Nevertheless, the cyclical implications for profits and wages are substantially different. We discuss how the equivalence breaks when these factor-distributional implications matter for aggregate allocations, e.g. in New Keynesian models with heterogeneous agents, endogenous firm entry, and non-constant returns to scale in production. Lastly, we point to an econometric identification problem raised by our equivalence result and discuss possible solutions thereof.
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Management Opposition, Strikes and Union Threat
Patrick Nüß
IWH Discussion Papers,
No. 17,
2025
Abstract
I estimate management opposition to unions in terms of hiring discrimination in the German labor market. By sending 13,000 fictitious job applications, revealing union membership in the CV and pro-union sentiment via social media accounts, I provide evidence for hiring discrimination against union supporters. Callback rates are on average 15% lower for union members. Discrimination is strongest in the presence of a high sectoral share of union members and large firm size. I further explore variation in regional and sectoral strike intensity over time and find suggestive evidence that discrimination increases if a sector is exposed to an intense strike. Discrimination is positively associated with the sectoral share of firms that voluntarily orientate wages to collective agreements. These results indicate that hiring discrimination can be explained by union threat effects.
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25.09.2025 • 29/2025
Fiscal policy will stimulate the East German economy next year – Economic Forecast Fall 2025 for the East German economy
In 2025, the economy in East Germany, as in Germany as a whole, is likely to do little more than stagnate. In the coming year, fiscal policy measures will stimulate the economy, but their effects are likely to be somewhat weaker than in Germany as a whole. The Halle Institute for Economic Research (IWH) expects the expansion rate of the East German economy in 2025 to be at 0.3%, slightly higher than that of Germany as a whole (0.2%). In both following years, it will rise to 1.1% and 1.2% respectively, which is slightly less than in the west.
Oliver Holtemöller
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04.09.2025 • 26/2025
Recovery on shaky ground – tariffs dampen growth, but a change in fiscal policy is on the way
In late summer 2025, it is still unclear whether the German economy is on the road to recovery, as it has to cope with the dampening effect of higher US tariffs in the second half of the year. It is not until 2026 that fiscal policy stimulus measures, combined with low key interest rates, will probably lead to an economic upturn. According to the autumn forecast of the Halle Institute for Economic Research (IWH), production is then expected to increase by 0.8%, following 0.2% in 2025. Similar rates of expansion are also expected for East Germany. In June, the IWH economists were forecasting growth of 1.1% for 2026 and 0.4% for the current year.
Oliver Holtemöller
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Private Equity in the Hospital Industry
Janet Gao, Yongseok Kim, Merih Sevilir
Journal of Financial Economics,
September
2025
Abstract
We examine employment and patient outcomes at hospitals acquired by private equity (PE) firms and PE-backed hospitals. While employment declines at PE-acquired hospitals, core medical workers (physicians, nurses, and pharmacists) increase significantly. The proportion of wages paid to core workers increases at PE-acquired hospitals whereas the proportion paid to administrative employees declines. These results are most pronounced for deals where the acquirers are publicly traded PE-backed hospitals. Non-PE-backed acquirers also cut employment but do not increase core workers or reduce administrative expenditures. Finally, PE-backed acquirers are not associated with worse patient satisfaction or mortality rates compared to their non-PE-backed counterparts.
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Aggregate Dynamics with Sectoral Price Stickiness Heterogeneity and Aggregate Real Shocks
Alessandro Flamini, Iftekhar Hasan
Journal of Money, Credit and Banking,
No. 5,
2025
Abstract
This paper investigates the relationship between heterogeneity in sectoral price stickiness and the response of the economy to aggregate real shocks. We show that sectoral heterogeneity reduces inflation persistence for a constant average duration of price spells, and that inflation persistence can fall despite duration increases associated with increases in heterogeneity. We also find that sectoral heterogeneity reduces the persistence and volatility of interest rate and output gap for a constant price spells duration, while the qualitative impact on inflation volatility tends to be positive. A relevant policy implication is that neglecting price stickiness heterogeneity can impair the economic dynamics assessment.
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12.08.2025 • 24/2025
20 years after Hurricane Katrina: Church membership contributed significantly to economic recovery
Katrina and other hurricanes caused devastating damage in the south-east of the USA in the summer of 2005. A study by the Halle Institute for Economic Research (IWH) shows: in the years following the disaster, establishments in counties with higher rates of church membership saw a significantly stronger recovery in terms of productivity.
Felix Noth
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Carbon Transition Risk and Corporate Loan Securitization
Isabella Müller, Huyen Nguyen, Trang Nguyen
Journal of Financial Intermediation,
July
2025
Abstract
We examine how banks manage carbon transition risk by selling loans given to polluting borrowers to less regulated shadow banks in securitization markets. Exploiting the election of Donald Trump as an exogenous shock that reduces carbon risk, we find that banks’ securitization decisions are sensitive to borrowers’ carbon footprints. Banks are more likely to securitize brown loans when carbon risk is high but swiftly change to keep these loans on their balance sheets when carbon risk is reduced after Trump’s election. Importantly, securitization enables banks to offer lower interest rates to polluting borrowers but does not affect the supply of green loans. Our findings are more pronounced among domestic banks and banks that do not display green lending preferences. We discuss how securitization can weaken the effectiveness of bank climate policies through reducing banks’ incentives to price carbon risk.
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12.06.2025 • 19/2025
Economic recovery in Germany – but structural problems and US trade policy weigh on the economy
The German economy has picked up somewhat in the first half of 2025. This was helped by the temporary increase in demand from the US in anticipation of higher tariffs. If the US does not escalate its trade conflicts further, production in Germany according to the summer forecast of the Halle Institute for Economic Research (IWH) is likely to increase a bit (by 0.4%) in 2025, after two years of decline. In March, the IWH economists were forecasting growth of 0.1% for the current year. Growth of 1.1% is forecast for the year 2026. Similar expansion rates are to be expected for East Germany.
Oliver Holtemöller
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