Jiayue Fan's Books

Insolvency Prospects Among Small-and-Medium-Sized Enterprises in Advanced Economies

Assessment and Policy Options

By: Mr.Federico J Diez,Mr.Romain A Duval,Jiayue Fan,José Garrido,Sebnem Kalemli-Ozcan,Chiara Maggi,Ms.Maria Soledad Martinez Peria,Mr.Nicola Pierri

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Insolvency Prospects Among Small-and-Medium-Sized Enterprises in Advanced Economies

Assessment and Policy Options

By: Mr.Federico J Diez,Mr.Romain A Duval,Jiayue Fan,José Garrido,Sebnem Kalemli-Ozcan,Chiara Maggi,Ms.Maria Soledad Martinez Peria,Mr.Nicola Pierri

The COVID-19 pandemic has increased insolvency risks, especially among small and medium enterprises (SMEs), which are vastly overrepresented in hard-hit sectors. Without government intervention, even firms that are viable a priori could end up being liquidated—particularly in sectors characterized by labor-intensive technologies, threatening both macroeconomic and social stability. This staff discussion note assesses the impact of the pandemic on SME insolvency risks and policy options to address them. It quantifies the impact of weaker aggregate demand, changes in sectoral consumption patterns, and lockdowns on firm balance sheets and estimates the impact of a range of policy options, for a large sample of SMEs in (mostly) advanced economies.

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International Monetary Fund

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ISBN 10

1513574566

ISBN 13

9781513574561

Global Declining Competition

By: Mr.Federico J Diez,Jiayue Fan,Carolina Villegas-Sánchez

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Global Declining Competition

By: Mr.Federico J Diez,Jiayue Fan,Carolina Villegas-Sánchez

Using a new firm-level dataset on private and listed firms from 20 countries, we document five stylized facts on market power in global markets. First, competition has declined around the world, measured as a moderate increase in average firm markups during 2000- 2015. Second, the markup increase is driven by already high-markup firms (top decile of the markup distribution) that charge increasing markups. Third, markups increased mostly among advanced economies but not in emerging markets. Fourth, there is a non-monotonic relation between firm size and markups that is first decreasing and then increasing. Finally, the increase is mostly driven by increases within incumbents and also by market share reallocation towards high-markup entrants.

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International Monetary Fund

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ISBN 10

1498311636

ISBN 13

9781498311632

Rising Corporate Market Power

Emerging Policy Issues

By: Ufuk Akcigit,Ms.Wenjie Chen,Mr.Federico J Diez,Mr.Romain A Duval,Philipp Engler,Jiayue Fan,Chiara Maggi,Ms.Marina Mendes Tavares,Mr.Daniel A Schwarz,Mr.Ippei Shibata,Carolina Villegas-Sánchez

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Rising Corporate Market Power

Emerging Policy Issues

By: Ufuk Akcigit,Ms.Wenjie Chen,Mr.Federico J Diez,Mr.Romain A Duval,Philipp Engler,Jiayue Fan,Chiara Maggi,Ms.Marina Mendes Tavares,Mr.Daniel A Schwarz,Mr.Ippei Shibata,Carolina Villegas-Sánchez

Corporate market power has risen in recent decades, and new estimates in this note suggest that the likely wave of small and medium-sized enterprise bankruptcies from the ongoing pandemic will further strengthen market concentration. Whether and how policymakers should address this issue is hotly debated. This note provides new evidence on the policy relevance of rising market power and highlights possible implications for the design of competition policy frameworks and macroeconomic policies.

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International Monetary Fund

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ISBN 10

1513512080

ISBN 13

9781513512082

Adaptive Dynamic Programming

For Chemotherapy Drug Delivery

By: Jiayue Sun,Shun Xu,Yang Liu,Huaguang Zhang

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Adaptive Dynamic Programming

For Chemotherapy Drug Delivery

By: Jiayue Sun,Shun Xu,Yang Liu,Huaguang Zhang

This open access book focuses on the practical application of Adaptive Dynamic Programming (ADP) in chemotherapy drug delivery, taking into account clinical variables and real-time data. ADP's ability to adapt to changing conditions and make optimal decisions in complex and uncertain situations makes it a valuable tool in addressing pressing challenges in healthcare and other fields. As optimization technology evolves, we can expect to see even more sophisticated and powerful solutions emerge.

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