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Does the implied volatility index have signaling power? : evidence from Mexico

Yang, Jin Yong; Heo, Junyoung; Yeo, In-Sung; Lee, Sang-heon - In: Modern economy 5 (2014) 8, pp. 869-877

Persistent link: https://www.econbiz.de/10011285047

A systems approach to order fulfilment using design for six sigma methodology

Amer, Yousef; Ashraf, Muhammad Azeem; Luong, Lee; Lee, … - In: International journal of business and systems research 1 (2007) 3, pp. 302-316

Persistent link: https://www.econbiz.de/10009885314

Case study : optimizing order fulfilment in a global retail supply chain

Amer, Yousef; Luong, Lee; Lee, Sang-heon - In: International journal of production economics 127 (2010) 2, pp. 278-291

Persistent link: https://www.econbiz.de/10008656633

Comment on "Simultaneous determination of multiproduct batch and full truckload shipment schedules"

Prasetyo, Hari; Lee, Sang-heon - In: International journal of production economics 144 (2013) 2, pp. 405-408

Persistent link: https://www.econbiz.de/10009772525

Working time around the world : trends in working hours, laws and policies in a global comparative perspective

Lee, Sang-Heon; McCann, Deirdre - 2007 - 1. publ.

Persistent link: https://www.econbiz.de/10003411562

A systems approach to order fulfilment using design for six sigma methodology

Amer, Yousef; Ashraf, Muhammad Azeem; Luong, Lee; Lee, … - In: International journal of business and systems research 1 (2007) 3, pp. 302-316

Persistent link: https://www.econbiz.de/10003738774

Spillover effects across credit spreads in Korean bond market

Lee, Hangyong; Lee, Sang-heon - In: Journal of economic research 20 (2015) 1, pp. 21-38

Persistent link: https://www.econbiz.de/10011296826

An integrated single-vendor multi-buyer production-inventory policy for food products incorporating quality degradation

Fauza, Gusti; Amer, Yousef; Lee, Sang-Heon; Prasetyo, Hari - In: International journal of production economics 182 (2016), pp. 409-417

Persistent link: https://www.econbiz.de/10011622100

Estimation of risk and return of venture capital investments in an emerging market : an iterative generalized method of moments approach

Kim, Myung-jig; Kim, Sang-Soo; Lee, Sang-heon - In: Asia-Pacific journal of financial studies 44 (2015) 3, pp. 475-495

Persistent link: https://www.econbiz.de/10011459035

Alternative Approach to the Determination of the Decay Parameter of the Nelson-Siegel Model

Lee, Sang-Heon - 2023

This paper presents an alternative and simple two-step estimation method for the Nelson-Siegel (NS) yield curve model. It aims to provide smoothed time series of both the decay parameter (λ) and the yield factors. Since the NS model occasionally exhibits some excessive estimates such as jumps...

Persistent link: https://www.econbiz.de/10014349654