The volatility and price sensitivities of managerial stock option portfolios and corporate hedging

JD Knopf, J Nam, JH Thornton Jr - The Journal of Finance, 2002 - Wiley Online Library
We use estimates of the Black—Scholes sensitivity of managers' stock option portfolios to
stock return volatility and the sensitivity of managers' stock and stock option portfolios to stock …

The underinvestment problem and corporate derivatives use

GD Gay, J Nam - Financial management, 1998 - JSTOR
We analyze the underinvestment problem as a determinant of corporate hedging policy. We
find evidence of a positive relation between a firm's derivatives use and its growth …

Is operational hedging a substitute for or a complement to financial hedging?

YS Kim, I Mathur, J Nam - Journal of corporate finance, 2006 - Elsevier
This paper investigates operational hedging by firms and how operational hedging is
related to financial hedging by using a sample of 424 firm observations, which consist of 212 …

Asymmetric information and corporate derivatives use

P DaDalt, GD Gay, J Nam - Journal of Futures Markets: Futures …, 2002 - Wiley Online Library
We investigate the relationship between derivatives use and the extent of asymmetric information
faced by the firm. Using alternative analyst forecast proxies for asymmetric information, …

The effect of managerial incentives to bear risk on corporate capital structure and R&D investment

J Nam, RE Ottoo, JH Thornton Jr - Financial Review, 2003 - Wiley Online Library
In this study we use estimates of the sensitivities of managers’ portfolios to stock return
volatility and stock price to directly test the relationship between managerial incentives to bear …

Determinants of corporate growth opportunities of emerging firms

JL Garner, J Nam, RE Ottoo - Journal of economics and business, 2002 - Elsevier
Recently, several questions have been raised about how the market capitalization of young
technology firms is determined, even as they continue to generate negative earnings. In this …

The effect of agency costs on the value of single-segment and multi-segment firms

J Nam, C Tang, JH Thornton Jr, K Wynne - Journal of corporate finance, 2006 - Elsevier
This paper investigates the effectiveness of equity-based compensation in mitigating the effects
of agency costs on the valuation of single-segment and multi-segment firms. In a sample …

Discharge mechanism of MoS2 for sodium ion battery: Electrochemical measurements and characterization

J Park, JS Kim, JW Park, TH Nam, KW Kim, JH Ahn… - Electrochimica …, 2013 - Elsevier
New emerging large scale battery market has demanded low cost and high power or energy
density materials. Sodium (Na) is a promising candidate for an anode material because of …

On the optimal mix of corporate hedging instruments: Linear versus nonlinear derivatives

GD Gay, J Nam, M Turac - Journal of Futures Markets: Futures …, 2003 - Wiley Online Library
We examine how corporations should choose their optimal mix of linear and nonlinear
derivatives. We present a model in which a firm facing both quantity (output) and price (market) …

Regimes and long memory in realized volatility

E Goldman, J Nam, H Tsurumi, J Wang - Studies in Nonlinear …, 2013 - degruyter.com
In this paper we model regimes and long memory in the dynamics of realized volatilities of
intraday ETF and stock returns. We estimate threshold fractionally integrated (TARFIMA) …