5 sonuçlar
Arama Sonuçları
Listeleniyor 1 - 5 / 5
Yayın Venture capital and business angels: Turkish case(Elsevier Science BV, 2016) Teker, Suat; Teker, DilekVenture capital (VC) may be defined as a support to entrepreneurial talents and appetite by turning ideas and basic science into products and services which are expected to envy the world. Although venture capitalists and business angels supply external funding for risky investments, the aspects of venture capitalists and business angels are different approaching the investment candidates. Business angels in the last decade have become undispansible players providing external capital for risky start-ups and contributing technological advancements and economic growth. Business angels could be either private wealth individuals or institutional venture capitalists. Private angels invest their own money that's why their invested capacity are limited while venture capitalists invest others'money with an extensive source. This research examines the the way of doing business for venture capitalists and business angels. Furthermore, venture capital market and business angels are reviewed for the Turkish case.Yayın Financial performance of top 20 airlines(Elsevier Science BV, 2016) Teker, Suat; Teker, Dilek; Güner, AyşegülThis empricial research article intends to analyse the financial performance of the top 20 airlines in the Word for the period of year 2011 and 2014. In order to measure the financial performance of the airlines on a uniqie base, an hormonic index is propesed by considering performance areas of profitability, operating, efficiency and liquidity. Next, each performance area is defined by using a various of performance ratios. Finally, all airlines companies examined are listed by their harmonic index scores. The total assets of the 20 biggest airlines are amounted over $457 billion in 2014 and Delta Airlines with an assest size of $54 billion is the biggest ailines. On the other hand, the highest revenue generated by Luftansa in 2011, 2012 and 2013 over $40 billion per year The empricial results show that the worst scores of harmonic index refer American Airlines in 2011, Soutwest in 2012, China Eastern Airlines in 2013 and Quantas Airways in 2014, while the best scores of harmonic index point Delta in 2011, Hainan Airlines in 2012 and EasyJet in 2013 and 2014. This analysis supports that the measurement of financial performance based upon total revenuue or profitability is somehow weak and may be extented by including other indicators.Yayın Venture capital markets: A cross country analysis(Elsevier Science BV, 2016) Teker, Dilek; Teker, Suat; Teraman, ÖzgürVenture capital (VC) may be defined as a support to entrepreneurial talents and appetite by turning ideas and basic science into products and services which are expected to envy the world. Venture capital funds are able to build companies from the simplest form to mature organizations. Venture capital investors generally actively engage with management of the company by typically taking place on the board. Through the due diligence process the venture capital firms concentrate on the founders, the management team, the concept, the marketplace, the revenue model, the value-added potential of the firm, the amount of capital needed to heal the business and whether all these fit to the fund's objectives. Over the next three to eight years, the venture firm works with the founding entrepreneur/s to grow the company. Once a company funded by venture capital matures and becomes successful, venture funds generally exit by taking it public through an initial public offering (IPO) or by selling it to big companies. This allows the venture funds to be free from the previous investment and invest in the next generation of companies. United States, Europe, Israel, Canada, China and India have the most developed markets for venture capital environment. The size of the venture capital market is nowadays about $50 billion and the United States has the most funds for venture capital of $33.1 billion in 2013. Venture capital firms may invest in promising firms in stages of seed, first round, second round or later. The median investment amounts in the United States in 2013 are $0.5 million for seed, $2.5 million for first round, $5.7 million for second round and $10 for later stage. The most attractive sector for venture capital is information technology for the United States, Israel and Canada, invested over $10 billion in 2013, while the most attractive sector is consumer products for Europe, China and India, invested over $4.8 billion in 2013.Yayın Estimation of Bitcoin volatility: GARCH implementation(Seventh Sense Research Group, 2020-01) Teker, Dilek; Teker, SuatAs bitcoin has been a topic of high interest for academic and professional life over recent years, a number of literature has examined its price movements, volatility, and predictions. Bitcoin is the first and perhaps the most popular cryptocurrency with a high volatility pattern compared to the other cryptocurrencies. This paper examines the models that explain the volatility of Bitcoin prices. The daily data for the Bitcoin prices are used through a period of July 31, 2017, to April 3, 2019, with a total number of observations of 484. Initially, unit root tests are implemented. Then, the heteroskedasticity problem is tested among variables. Based on the results of the heteroskedasticity test, it is decided to use ARCH models. Then, ARCH, GARCH, TGARCH, and EGARCH results are tested to find out the best fit model that explains the bitcoin price movements.Yayın 5G technology and future of banking(The Brooklyn Research and Publishing Institute, 2021-12) Teker, Suat; Teker, Dilek; Orman, IrmakThis study examines the effects ofdevelopments in communication technologies on the banking sector and banking services. In addition, it is envisioned how 5G technology will shape the future of the banking industry. As a result of the analysis, it has been observed that an important innovation and structural transformation period was lived in the banking sector with the use of 3G and before 2000, which we define as traditional banking era. It is concluded that with the expected wide use of 5G technology after year 2022, the banking sector is expected to enter a new and disruptive restructuring and service innovation.
