Zefeng Chen's Books

Bank Balance Sheets and External Shocks in Asia: The Role of FXI, MPMs and CFMs

By: Zefeng Chen,MissSanaa Nadeem,Mr.Shanaka J Peiris

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Bank Balance Sheets and External Shocks in Asia: The Role of FXI, MPMs and CFMs

By: Zefeng Chen,MissSanaa Nadeem,Mr.Shanaka J Peiris

In emerging Asia, banks constitute the dominant source of financing consumption and investment, and bank balance sheets comprise large gross FX assets and liabilities. This paper extends the DSGE model of Gertler and Karadi (2011) to incorporate these key features and estimates a panel vector autoregression on ten Asian economies to understand the role of the banking sector in transmitting spillovers from the global financial cycle to small open economies. It also evaluates the effectiveness of foreign exchange intervention (FXI) and other macroeconomic policies in responding to external financing shocks. External financial shocks affect net external liabilities of banks and the exchange rate, leading to changes in credit supply by banks and investment. For example, a capital outflow shock leads to a deprecation that reduces the net worth and intermediation capacity of banks exposed to foreign currency liabilities. In such cases, the exchange rate acts as shock amplifier and sterilized FXI, often deployed by Asian economies, can help cushion the economy. By contrast, with real shocks, the exchange rate serves as a shock absorber, and any FXI that weakens that function can be costly. We also explore the effectiveness of the monetary policy interest rate, macroprudential policies (MPMs) and capital flow management measures (CFMs).

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Publisher

International Monetary Fund

Published Date

ISBN 10

1513566830

ISBN 13

9781513566832

The Electrical Contact of the Pantograph-Catenary System

Theory and Application

By: Guangning Wu,Guoqiang Gao,Wenfu Wei,Zefeng Yang

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The Electrical Contact of the Pantograph-Catenary System

Theory and Application

By: Guangning Wu,Guoqiang Gao,Wenfu Wei,Zefeng Yang

This book covers the basic scientific theory and related application technologies of the pantograph–catenary system, including research findings on pantograph/catenary contact resistance, pantograph interface thermal effect, laws and characteristics of current-carrying friction and wear, the main research methods for pantograph arcs, the effects of arcs on pantograph systems and onboard equipment, and the materials used for pantographs and contact wires. Given its scope, it offers a valuable resource for students, scholars, and development engineers alike. The relationship between pantograph and catenary is one of the three core aspects of the safe operation of high-speed electrified railways. The pantograph system provides electric power for the high-speed train through the sliding electric contact. As the train’s operating speed increases, the pantograph system enters a state of prolonged sliding/vibration, resulting in frequent arcs, electrode erosion, and increased wear.

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Page Count

286

Publisher

Springer

Published Date

ISBN 10

981136589X

ISBN 13

9789811365898

State-to-State Dynamical Research in the F+H2 Reaction System

By: Zefeng Ren

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State-to-State Dynamical Research in the F+H2 Reaction System

By: Zefeng Ren

This thesis addresses two important and also challenging issues in the research of chemical reaction dynamics of F+H2 system. One is to probe the reaction resonance and the other is to determine the extent of the breakdown of the Born-Oppenheimer approximation (BOA) experimentally. The author introduces a state-of-the-art crossed molecular beam-scattering apparatus using a hydrogen atom Rydberg "tagging" time-of-flight method, and presents thorough state-to-state experimental studies to address the above issues. The author also describes the observation of the Feshbach resonance in the F+H2 reaction, a precise measurement of the differential cross section in the F+HD reaction, and validation of a new accurate potential energy surface with spectroscopic accuracy. Moreover, the author determines the reactivity ratio between the ground state F(2P3/2) and the excited state F*(2P1/2) in the F+D2 reaction, and exploits the breakdown of BOA in the low collision energy.

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Publisher

Springer Science & Business Media

Published Date

ISBN 10

3642397565

ISBN 13

9783642397561

Book's by Zefeng Chen

Bank Balance Sheets and External Shocks in Asia: The Role of FXI, MPMs and CFMs

Bank Balance Sheets and External Shocks in Asia: The Role of FXI, MPMs and CFMs

The Electrical Contact of the Pantograph-Catenary System

The Electrical Contact of the Pantograph-Catenary System

State-to-State Dynamical Research in the F+H2 Reaction System

State-to-State Dynamical Research in the F+H2 Reaction System

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