Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Apostolos Ampountolas"'
Autor:
Apostolos Ampountolas
Publikováno v:
Forecasting, Vol 5, Iss 2, Pp 472-486 (2023)
This study analyzes the transmission of market uncertainty on key European financial markets and the cryptocurrency market over an extended period, encompassing the pre-, during, and post-pandemic periods. Daily financial market indices and price obs
Externí odkaz:
https://doaj.org/article/9a1e2338994342f69b3da43339375b4e
Autor:
Apostolos Ampountolas
Publikováno v:
International Journal of Financial Studies, Vol 12, Iss 3, p 59 (2024)
The aim of this study is to enhance the understanding of volatility dynamics in commodity returns, such as gold and cocoa, as well as the financial market index S&P500. It provides a comprehensive overview of each model’s efficacy in capturing vola
Externí odkaz:
https://doaj.org/article/c44c7162c1ed493394f7b3c5f5393718
Autor:
Apostolos Ampountolas
Publikováno v:
Forecasting, Vol 3, Iss 3, Pp 580-595 (2021)
Overnight forecasting is a crucial challenge for revenue managers because of the uncertainty associated between demand and supply. However, there is limited research that focuses on predicting daily hotel demand. Hence, this paper evaluates various m
Externí odkaz:
https://doaj.org/article/3ba6c6add123414db5a3ba237801f480
Autor:
Apostolos Ampountolas
Publikováno v:
International Journal of Financial Studies, Vol 10, Iss 3, p 51 (2022)
Over the past years, cryptocurrencies have drawn substantial attention from the media while attracting many investors. Since then, cryptocurrency prices have experienced high fluctuations. In this paper, we forecast the high-frequency 1 min volatilit
Externí odkaz:
https://doaj.org/article/98ba1f35c0164ab88c7ab2b9904f9957
Publikováno v:
Risks, Vol 9, Iss 3, p 50 (2021)
In micro-lending markets, lack of recorded credit history is a significant impediment to assessing individual borrowers’ creditworthiness and therefore deciding fair interest rates. This research compares various machine learning algorithms on real
Externí odkaz:
https://doaj.org/article/ebac228d563a43f8b74d852cf1453412
Autor:
Mark Legg, Apostolos Ampountolas
Publikováno v:
Journal of Marketing Analytics.
Autor:
Apostolos Ampountolas
Publikováno v:
Journal of Risk and Financial Management; Volume 16; Issue 1; Pages: 25
This research examines the correlations between the return volatility of cryptocurrencies, global stock market indices, and the spillover effects of the COVID-19 pandemic. For this purpose, we employed a two-stage multivariate volatility exponential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79add123ec02559ff98b19ca227f6723
Publikováno v:
Tourism Economics. 28:2176-2196
Little is known on how turnover and senior leadership attributes affect the long-term performance of a casino resort. The ability to longitudinally measure the turnover effect on market share has been problematic due to most gaming markets exhibiting
Autor:
Mark Legg, Apostolos Ampountolas
Publikováno v:
International Journal of Contemporary Hospitality Management. 33:2001-2021
Purpose This study aims to predict hotel demand through text analysis by investigating keyword series to increase demand predictions’ precision. To do so, this paper presents a framework for modeling hotel demand that incorporates machine learning
Publikováno v:
Tourism Economics. 28:1342-1347
The hospitality industry is one of the fastest-growing sectors globally. With the emergence of different distribution platforms, customers can obtain real-time price changes, availability, and promotions. Looking to the future, traditional online tra