<abstract xmlns="http://www.w3.org/1999/xhtml">As a result of previous multilateral negotiations tariff rates are generally low and cannot explain the reasons for recent proliferation of preferential trade agreements (PTAs). The aim of the paper is to look for other motivations of EU PTAs and to assess their importance for the EU. The main research methods are statistical, review and assessment of WTO documents and critical analysis of literature.First, the present level of tariff protection on selected import markets was estimated. This level illustrates the scale of countries’ interest in their elimination of the existing tariffs. Also the share of preferential imports in the EU extra-trade was calculated and compared with trade on MFN basis. Next, reasons for PTAs were identified. The conclusions prove that 21st century PTAs are mainly motivated not by a reduction of tariffs but by the willingness to reduce the regulatory barriers (contained in rules on public procurement, environmental protection, etc.). The most dynamic trade nowadays involves flows of accessories and services. In this situation the importance of PTAs results from the fact that they serve as instruments eliminating national regulatory barriers faced by exporters of goods and resources on foreign markets. Thus PTAs support production and sales abroad. In the EU political motivations of PTAs are important as well.</abstract>

Importance and motives of preferential trade agreements in the EU’s external trade

<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of this paper is to empirically analyse the relationship between the trade wars and modes of transport for selected countries. For this purpose the causality relationship between trade value and sea transport / air transportation for EU–G20 and US–G20 countries was examined. Panel causality analysis was used as a method in the study. The empirical findings of the study show the existence of a causality relationship between the trade value and modes of transport (sea transport and air transport) for country groups. This shows that the countries’ sea and air transport will be adversely affected by trade wars.</abstract>

Faculty of Aeronautics and Astronautics, Department of Aviation Management

Barbaros Hayrettin Faculty of Naval Architecture and Maritime, Maritime Transportation Management Engineering

Empirical analysis of the relationship between trade wars and sea—air transportation

<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of the article is to conduct an empirical analysis of the impact of aggregate and disaggregate private capital flows on economic growth in eleven MENA countries between 1980 and 2018. Unlike prior empirical studies, the fixed effect panel quantile approach developed by Canay (2011) is implemented. Findings suggest that there is a significant difference in the effects of private capital flows on economic growth across lower and higher quantiles. More specifically, the effects of total private capital flows, foreign direct investment flows, portfolio flows and debt flows are positive and statistically significant only for low and medium quantiles, indicating that the enhancing impact of private capital flows in terms of economic growth is only confirmed in countries with relatively low and medium growth rates. Moreover, debt flows affect economic growth in countries recording high growth rates, stressing the importance of financial development in routing those flows into the most productive projects in the economy.</abstract>

Department of Economics and Quantitative Methods

The impact of private capital flows on economic growth in the MENA region

<abstract xmlns="http://www.w3.org/1999/xhtml">The aim of the paper is to empirically estimate the growth-maximizing debt-to-GDP ratio in the case of Turkey. To calculate the growth-maximizing debt-to-GDP ratio FMOLS, DOLS, and CCR estimators are used for the period from 1960–2013. According to the empirical findings the growth-maximizing debt-to-GDP ratio varies between 34.3% and 38.7%. Based on a comparison of these ratios to current data (29.1% for 2018), Turkey has the capacity for additional borrowing to achieve a growth-maximizing debt-to-GDP ratio. If this additional borrowing capacity is used for public investment with a return greater than the interest cost of the additional debt economic growth will be maximized and public debt sustainability supported.</abstract>

Growth-maximizing public debt in Turkey: An empirical investigation

<abstract xmlns="http://www.w3.org/1999/xhtml">A bank, particularly in developing countries like Turkey, is one of the most important institutions in the financial sector. Therefore knowing the factors affecting the performance of banks is important for the development of the sector. One of the factors affecting the risk and profitability of banking sector is the internal factors of the banks. The aim of this paper is to investigate the board of directors’ characteristics and its effect on risk level measured by non-performing loans and on bank performance measured by asset profitability using the Generalized Method of Moments (GMM) estimator. Data from nineteen deposit banks for the period 2012–2018 were used. The result of the study determined that the board size, foreign board members and the independent board members have an effect on both non-performing loans and the return on assets.</abstract>

Faculty of Economics and Administrative Sciences, Department of Business Administration

The effect of board of directors characteristics on risk and bank performance: Evidence from Turkey

<abstract xmlns="http://www.w3.org/1999/xhtml">The executive compensation issue continues to cause protest due to the increasing number of cases of an unjustifiably high level of pay. The main conflict arises from the misalignment of interests between the short-term expectations of the manager and long-term needs of the shareholders. Since there are no universal rules on how to price the executive performance companies reach for different means of establishing the CEO’s compensation and ascertaining manager’s commitment towards maintaining a company’s value. The issue becomes more complex once the compensation rules are not a direct effect of the market power game but are additionally restricted by government. The aim of the paper is to discuss corporate government policies introduced in Israel and their impact on executive compensation level and structure. Israel is amongst those countries that partially regulate CEO compensation and thus the Israeli experience can add to the understanding of the effectiveness of modern corporate governance.</abstract>

Department of International Competitiveness

Poznań University of Economics and Business

(Re)-structuring the Ceo’s compensation—the case of Israel

<abstract xmlns="http://www.w3.org/1999/xhtml">In this paper an extension of the well-known binomial approach to option pricing is presented. The classical question is: What is the price of an option on the risky asset? The traditional answer is obtained with the help of a replicating portfolio by ruling out arbitrage. Instead a two-person game from the Nash equilibrium of which the option price can be derived is formulated. Consequently both the underlying asset’s price at expiration and the price of the option on this asset are endogenously determined. The option price derived this way turns out, however, to be identical to the classical no-arbitrage option price of the binomial model if the expiration-date prices of the underlying asset and the corresponding risk-neutral probability are properly adjusted according to the Nash equilibrium data of the game.</abstract>

Strategic option pricing

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