Are Airlines' Price Setting Strategies Different?

Using a sample of fare quotes for non-stop travel from New York to London, this paper investigates the dynamics of offered fares as the departure date nears. We find that the general trend is toward fare increase at an accelerated rate as the departure date approaches. Clear differences in price-setting strategies among the carriers competing on a particular route are documented

Investigation of the Heating Processes and Temperature Field of the Frequency-controlled Asynchronous Engine Based on Mathematical Models

The study of the temperature field of the engine for non-stationary modes is done. A numerical simulation of a non-stationary thermal process using dynamic EHD, the characteristic of the rate of rise of temperatures is done. An increase in the temperature of individual parts in the idle interval, when the power of heat release is significantly reduced, is established, and the reverse of the heat flow through the air gap is established. It is shown that the EHD method, in contrast to the FEM, is self-sufficient, which determines its practical value. In various parts of the speed control range in the implementation of various laws of regulation. At the same time, the main electrical, magnetic and additional losses associated with the fundamental voltage harmonics (FVH), and mechanical losses, as well as additional electrical and magnetic losses associated with the higher voltage harmonics, change. When using serial asynchronous engines as frequency-controlled. Permissible under the conditions of heating power is significantly reduced by the power of serial engines. Depending on the synchronous speed, the reduction is from 10 % to 20 %. Given the additional overheating due to higher voltage harmonics, as well as the deterioration of the cooling conditions when adjusting the rotational speed "down" from the nominal, it seems very relevant

Are Airlines' Price-Setting Strategies Different?

Using a sample of fare quotes for non-stop travel from New York to London, this paper investigates the dynamics of offered fares as the departure date nears. We find that the general trend is toward fare increase at an accelerated rate as the departure date approaches. Clear differences in price-setting strategies among the carriers competing on a particular route are documented.airline industry, price dynamics

Психологічні детермінанти довіри до електронної комерції

Успішна взаємодія споживача та електронної комерції залежить від багатьох факторів. Одним з ключових є фактор довіри до систем електронної комерції, який напряму пов’язаний з можливими ризиками. В цій статті розглядаються основні чинники формування довіри споживача згідно з моделлю довіри до електронної комерції (MoTEC — model of trust for electronic commerce). Ця модель пропонує чіткий набір факторів, що найбільш ймовірно вплинуть на довіру покупця, враховуючи особливості дизайну веб-сайту та загальні елементи менеджменту і маркетингу