Search results for: Suman Neupane

Items from 1 to 15 out of 15 results

article

Tax Threat and the Disruptive Market Power of Foreign Portfolio Investors

Andrew Marshall, Hisham Farag, Biwesh Neupane, Suman Neupane, more

British Journal of Management > 33 > 3 > 1468 - 1498

We investigate the equity trading behaviour of foreign portfolio investors (FPIs) and the potential stock market implications during a period of tax treatment uncertainty in the Indian emerging market. Theoretical arguments predict that the trading reactions (entry and exit) of FPIs not only depend on the severity and credibility of the tax reforms, but also on FPIs’ ability to harm the host capital...

article

Quantitative determination of magnetite and maghemite in iron oxide nanoparticles using Mössbauer spectroscopy

Jeremy Winsett, Aric Moilanen, Keshav Paudel, Saeed Kamali, more

SN Applied Sciences > 2019 > 1 > 12 > 1-8

Iron oxide nanoparticles are available in two common phases, namely magnetite (Fe₃O₄) and maghemite (Fe₂O₃). Upon exposure to oxygen atoms, the magnetite phase readily oxidizes into the maghemite phase with the partial conversion of ferrous ions into ferric ions. We report on the approach to determine the ratio of magnetite and maghemite in iron oxide nanoparticles synthesized by the wet chemical...

article

Do investors flip less in bookbuilding than in auction IPOs?

Suman Neupane, Andrew Marshall, Krishna Paudyal, Chandra Thapa

Journal of Corporate Finance > 2017 > 47 > C > 253-268

Using a regime change setting, this paper examines whether investors flip less in bookbuilding than in auction initial public offerings (IPOs). Based on bookbuilding theory, we posit that the ability to control allocation flexibility in the bookbuilding mechanism should enable underwriters to avoid flippers and target long-term investors. Consistent with this prediction, we find that both frequent...

article

Trade-based manipulation: Beyond the prosecuted cases

Suman Neupane, S. Ghon Rhee, Kulunu Vithanage, Madhu Veeraraghavan

Journal of Corporate Finance > 2017 > 42 > C > 115-130

Using insights from prosecuted cases, we present compelling evidence of large-trade based manipulation in a sizeable number of Indian IPOs that, in all likelihood escaped enforcement actions. Consistent with the pump-and-dump scheme these IPOs exhibit abnormally high volume of large trades, a significant fraction of which originates from a syndicate of traders present in the prosecuted IPOs. More...

article

Multiple lead underwriting syndicate and IPO pricing

Kulunu Vithanage, Suman Neupane, Richard Chung

International Review of Financial Analysis > 2016 > 48 > C > 193-208

This paper examines the role of multiple lead underwriters (MLUs) in pricing initial public offerings (IPOs) by considering certification and market power hypotheses. Consistent with the notion that MLUs provide certification to the issue, we find that IPOs backed by MLUs price the offer closer to the intrinsic value of the firm than firms backed by single lead underwriters. Our results also indicate...

article

Domestic and foreign institutional investors' investment in IPOs

Suman Neupane, Biwesh Neupane, Krishna Paudyal, Chandra Thapa

Pacific-Basin Finance Journal > 2016 > 39 > C > 197-210

The regulatory provisions in India ensure that IPO investors are able to observe the participation levels of other subscribers prior to their own subscription decisions. This should reduce the information asymmetry between the foreign institutional (FIIs) and domestic institutional investors (DIIs). We argue that because of this setting we should observe less difference in their investment patterns...

article

Market liquidity risks of foreign exchange derivatives and cross-country equity portfolio allocations

Chandra Thapa, Suman Neupane, Andrew Marshall

Journal of Multinational Financial Management > 2016 > 34 > Complete > 46-64

Foreign exchange derivatives (FXD) are important tools for hedging foreign exchange (FX) risks and enhancing returns of international portfolios. However, the ability to use FXD can be constrained by higher trading costs and the liquidity risks of the FXD available in different markets/currencies across countries. In this study, we investigate whether the wide cross-sectional and temporal variations...

chapter

Carbon Nanotube Arrays: Synthesis, Properties, and Applications

Suman Neupane, Wenzhi Li

Three-Dimensional Nanoarchitectures > 261-285

Carbon nanotubes (CNTs) have become one of the most interesting allotropes of carbon since the discovery of multi-walled carbon nanotubes (MWNTs) by Iijima [1] in 1991. It took almost 2 more years until Iijima and Ichihashi [2] and Bethune et al. [3] synthesized simultaneously single-walled carbon nanotubes (SWNTs). Ever since, steady progress has been made to successfully synthesize vertically and...

article

Firm quality or market sentiment: What matters more for IPO investors?

Suman Neupane, Krishna Paudyal, Chandra Thapa

Journal of Banking and Finance > 2014 > 44 > Complete > 207-218

This paper investigates the investment decisions of IPO investors when equipped with information on both the quality of the firm and the market sentiment. Unique regulatory provisions allow IPO investors in India to have access to the independent assessment of firm quality and information on the participation of other investors, including institutional investors. At the same time, an active grey market...

chapter

Synthesis and electron field emission of vertically aligned carbon nanotubes grown on stainless steel substrate

Suman Neupane, Wenzhi Li

2013 26th International Vacuum Nanoelectronics Conference (IVNC) > 1 - 2

2013 26th International Vacuum Nanoelectronics Conference (IVNC)

Vertically aligned carbon nanotube (CNT) array was synthesized directly on stainless steel (SS) substrates with or without chemical etching or catalyst deposition via plasma enhanced chemical vapor deposition method. The effect of chemical etching on the SS substrates resulted in CNTs with uniform diameter and length. Electron field emission properties of CNT arrays synthesized on pristine SS and...

article

Access to information and international portfolio allocation

Chandra Thapa, Krishna Paudyal, Suman Neupane

Journal of Banking and Finance > 2013 > 37 > 7 > 2255-2267

We examine whether foreign equity holdings of portfolio investors depend on the level of information accessibility between the investors’ home and host countries. Using a comprehensive data set, alternative measures of information accessibility and robust analytical techniques, we show that differences in access to cross-country information significantly influence investors’ portfolio allocation decisions...

article

Underwriter reputation and the underwriter–investor relationship in IPO markets

Suman Neupane, Chandra Thapa

Global Finance Journal > 2013 > 24 > Complete > 105-126

Using data from the unique setting of Indian IPOs, this study examines the underwriter–investor relationship based on underwriter reputation. We find that high reputation and low reputation underwriters have strong relationships with different sets of investors. While large institutional investors participate early in IPOs managed by high reputation underwriters, high net worth investors appear to...

article

An increase in the field emission from vertically aligned multiwalled carbon nanotubes caused by NH3 plasma treatment

Guohai Chen, Suman Neupane, Wenzhi Li, Lina Chen, more

Carbon > 2013 > 52 > Complete > 468-475

We modified vertically aligned multiwalled carbon nanotubes (MWCNTs) grown on a Cu substrate by NH ₃ direct current plasma treatment for varying durations and investigated their microstructure and field emission properties. A great improvement on the field emission properties of the MWCNTs was obtained after the plasma treatment. Specifically, the MWCNTs after 1.0min plasma treatment demonstrated...

article

Transparency in IPO mechanism: Retail investors’ participation, IPO pricing and returns

Suman Neupane, Sunil S. Poshakwale

Journal of Banking and Finance > 2012 > 36 > 7 > 2064-2076

Using data from the transparent Indian IPO setting, the paper examines retail investors’ participation, their influence on IPO pricing and the returns they make on IPO investment. The transparency in the mechanism, which allows investors to observe prior investors’ participation, leads to demand which is concentrated at either one or two points of the offer price range. Analysis of investors’ demand...

article

Synthesis and field emission properties of vertically aligned carbon nanotube arrays on copper

Suman Neupane, Mauricio Lastres, Melissa Chiarella, Wenzhi Li, more

Carbon > 2012 > 50 > 7 > 2641-2650

We report the synthesis of periodic arrays of carbon nanotubes (CNTs) with different densities on copper substrate by employing nanosphere lithography (NSL) and plasma enhanced chemical vapor deposition. At a growth pressure of 8torr and temperature of 520°C, vertically aligned bamboo-like CNTs were formed with a catalyst particle on the tip. Electrical properties of CNTs with different densities...

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