Chiraz Karamti

Personal Details

First Name:	Chiraz
Middle Name:
Last Name:	Karamti
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RePEc Short-ID:	pka683
	[This author has chosen not to make the email address public]

Citations

Many of the citations below have been collected in an experimental project, CitEc, where a more detailed citation analysis can be found. These are citations from works listed in RePEc that could be analyzed mechanically. So far, only a minority of all works could be analyzed. See under "Corrections" how you can help improve the citation analysis.

Working papers

1. Lukasz Grzybowski & Chiraz Karamti, 2007. "Competition in Mobile Telephony in France and Germany," Working Papers 07-24, NET Institute, revised Sep 2007.
   • Lukasz Grzybowski & Chiraz Karamti, 2010. "Competition In Mobile Telephony In France And Germany," Manchester School, University of Manchester, vol. 78(6), pages 702-724, December.

   Cited by:

   1. Lukasz Grzybowski, 2012. "Fixed-to-Mobile Substitution in the European Union," Working Papers 271, Economic Research Southern Africa.
      • Grzybowski, Lukasz, 2014. "Fixed-to-mobile substitution in the European Union," Telecommunications Policy, Elsevier, vol. 38(7), pages 601-612.
   2. Lukasz Grzybowski & Frank Verboven, 2013. "Substitution and Complementarity between Fixed-line and Mobile Access," Working Papers 13-09, NET Institute.
   3. Karamti, Chiraz, 2019. "Lopsided effects of telecom reforms on mobile markets in the enlarged EU: Evidence from dynamic quantile model," Telecommunications Policy, Elsevier, vol. 43(3), pages 238-261.
   4. Lange, Mirjam R. J. & Šaric, Amela, 2014. "Deregulating fixed voice services? Empirical evidence from the European Union," 20th ITS Biennial Conference, Rio de Janeiro 2014: The Net and the Internet - Emerging Markets and Policies 106864, International Telecommunications Society (ITS).
      • Šaric, Amela & Lange, Mirjam R. J., 2014. "Deregulating fixed voice services? Empirical evidence from the European Union," 25th European Regional ITS Conference, Brussels 2014 101385, International Telecommunications Society (ITS).
   5. Chiraz Karamti & Lukasz Grzybowski, 2010. "Hedonic study on mobile telephony market in France: pricing–quality strategies," Netnomics, Springer, vol. 11(3), pages 255-289, October.

Articles

1. Karamti, Chiraz & Belhassine, Olfa, 2022. "COVID-19 pandemic waves and global financial markets: Evidence from wavelet coherence analysis," Finance Research Letters, Elsevier, vol. 45(C).

   Cited by:

   1. Zhang, Yongmin & Sun, Yiru, 2023. "Did U.S. and Chinese investors respond differently to the exogenous shocks from COVID-19 and the war in Ukraine?," International Review of Financial Analysis, Elsevier, vol. 88(C).
   2. Hasan, Mohammad Maruf & Du, Fang, 2023. "The role of foreign trade and technology innovation on economic recovery in China: The mediating role of natural resources development," Resources Policy, Elsevier, vol. 80(C).
   3. Mohd Ziaur Rehman & Shabeer Khan & Ghulam Abbas & Mohammed Alhashim, 2023. "Novel COVID-19 Outbreak and Global Uncertainty in the Top-10 Affected Countries: Evidence from Wavelet Coherence Approach," Sustainability, MDPI, vol. 15(6), pages 1-20, March.
   4. Gök, Remzi & Bouri, Elie & Gemici, Eray, 2022. "Can Twitter-based economic uncertainty predict safe-haven assets under all market conditions and investment horizons?," Technological Forecasting and Social Change, Elsevier, vol. 185(C).
   5. Feng, Yun & Yang, Jie & Huang, Qian, 2023. "Multiscale correlation analysis of Sino-US corn futures markets and the impact of international crude oil price: A new perspective from the multifractal method," Finance Research Letters, Elsevier, vol. 53(C).
   6. Georgios Bampinas & Theodore Panagiotidis, 2024. "How would the war and the pandemic affect the stock and cryptocurrency cross-market linkages?," Working Paper series 24-01, Rimini Centre for Economic Analysis.
      • Bampinas, Georgios & Panagiotidis, Theodore, 2023. "How would the war and the pandemic affect the stock and cryptocurrency cross-market linkages?," MPRA Paper 117094, University Library of Munich, Germany.
   7. Iyer, Subramanian Rama & Simkins, Betty J., 2022. "COVID-19 and the Economy: Summary of research and future directions," Finance Research Letters, Elsevier, vol. 47(PB).
   8. Cervantes, Paula & Díaz, Antonio & Esparcia, Carlos & Huélamo, Diego, 2022. "The impact of COVID-19 induced panic on stock market returns: A two-year experience," Economic Analysis and Policy, Elsevier, vol. 76(C), pages 1075-1097.
   9. Huang, Jie & Cao, Yu & Zhong, Pengshu, 2022. "Searching for a safe haven to crude oil: Green bond or precious metals?," Finance Research Letters, Elsevier, vol. 50(C).
   10. Olanipekun, Ifedolapo Olabisi & Ozkan, Oktay & Olasehinde-Williams, Godwin, 2023. "Is renewable energy use lowering resource-related uncertainties?," Energy, Elsevier, vol. 271(C).

2. Belhassine, Olfa & Karamti, Chiraz, 2021. "Contagion and portfolio management in times of COVID-19," Economic Analysis and Policy, Elsevier, vol. 72(C), pages 73-86.

   Cited by:

   1. Soni, Rajat Kumar & Nandan, Tanuj, 2022. "Modeling Covid-19 contagious effect between asset markets and commodity futures in India," Resources Policy, Elsevier, vol. 79(C).
   2. Urom, Christian & Ndubuisi, Gideon & Del Lo, Gaye & Yuni, Denis, 2023. "Global commodity and equity markets spillovers to Africa during the COVID-19 pandemic," Emerging Markets Review, Elsevier, vol. 55(C).
   3. Costa, Antonio & da Silva, Cristiano & Matos, Paulo, 2022. "The Brazilian financial market reaction to COVID-19: A wavelet analysis," International Review of Economics & Finance, Elsevier, vol. 82(C), pages 13-29.
   4. Okoroafor, Ugochi C. & Leirvik, Thomas, 2023. "Time-varying market efficiency of safe-haven assets," Finance Research Letters, Elsevier, vol. 56(C).
   5. Ziyao Wang & Yufei Xia & Yating Fu & Ying Liu, 2023. "Volatility Spillover Dynamics and Determinants between FinTech and Traditional Financial Industry: Evidence from China," Mathematics, MDPI, vol. 11(19), pages 1-23, September.
   6. Ştefan Cristian Gherghina & Liliana Nicoleta Simionescu, 2023. "Exploring the asymmetric effect of COVID-19 pandemic news on the cryptocurrency market: evidence from nonlinear autoregressive distributed lag approach and frequency domain causality," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-58, December.
   7. Zhang, Yi & Zhou, Long & Chen, Yajiao & Liu, Fang, 2022. "The contagion effect of jump risk across Asian stock markets during the Covid-19 pandemic," The North American Journal of Economics and Finance, Elsevier, vol. 61(C).

3. Belhassine, Olfa & Karamti, Chiraz, 2021. "Volatility spillovers and hedging effectiveness between oil and stock markets: Evidence from a wavelet-based and structural breaks analysis," Energy Economics, Elsevier, vol. 102(C).

   Cited by:

   1. Dai, Zhifeng & Zhu, Junxin & Zhang, Xinhua, 2022. "Time-frequency connectedness and cross-quantile dependence between crude oil, Chinese commodity market, stock market and investor sentiment," Energy Economics, Elsevier, vol. 114(C).
   2. Zhu, Xuehong & Niu, Zibo & Zhang, Hongwei & Huang, Jiaxin & Zuo, Xuguang, 2022. "Can gold and bitcoin hedge against the COVID-19 related news sentiment risk? New evidence from a NARDL approach," Resources Policy, Elsevier, vol. 79(C).
   3. Asadi, Mehrad & Roudari, Soheil & Tiwari, Aviral Kumar & Roubaud, David, 2023. "Scrutinizing commodity markets by quantile spillovers: A case study of the Australian economy," Energy Economics, Elsevier, vol. 118(C).
   4. Mohammad Al-Shboul & Aktham Maghyereh, 2023. "Did real economic uncertainty drive risk connectedness in the oil–stock nexus during the COVID-19 outbreak? A partial wavelet coherence analysis," Journal of Economic Structures, Springer;Pan-Pacific Association of Input-Output Studies (PAPAIOS), vol. 12(1), pages 1-23, December.
   5. Tang, Yusui & Ma, Feng, 2023. "The volatility of natural resources implications for sustainable development: Crude oil volatility prediction based on the multivariate structural regime switching," Resources Policy, Elsevier, vol. 83(C).
   6. Yang, Cai & Wang, Xinyi & Gao, Wang, 2022. "Is Bitcoin a better hedging and safe-haven investment than traditional assets against currencies? Evidence from the time-frequency domain approach," The North American Journal of Economics and Finance, Elsevier, vol. 62(C).
   7. Kuang, Wei, 2023. "The equity-oil hedge: A comparison between volatility and alternative risk frameworks," Energy, Elsevier, vol. 271(C).
   8. Li, Jingyu & Liu, Ranran & Yao, Yanzhen & Xie, Qiwei, 2022. "Time-frequency volatility spillovers across the international crude oil market and Chinese major energy futures markets: Evidence from COVID-19," Resources Policy, Elsevier, vol. 77(C).
   9. Ghaemi Asl, Mahdi & Adekoya, Oluwasegun Babatunde & Rashidi, Muhammad Mahdi & Ghasemi Doudkanlou, Mohammad & Dolatabadi, Ali, 2022. "Forecast of Bayesian-based dynamic connectedness between oil market and Islamic stock indices of Islamic oil-exporting countries: Application of the cascade-forward backpropagation network," Resources Policy, Elsevier, vol. 77(C).
   10. Lee, Hsiang-Tai & Lee, Chien-Chiang, 2022. "A regime-switching real-time copula GARCH model for optimal futures hedging," International Review of Financial Analysis, Elsevier, vol. 84(C).
   11. Lee, Chien-Chiang & Zhou, Hegang & Xu, Chao & Zhang, Xiaoming, 2023. "Dynamic spillover effects among international crude oil markets from the time-frequency perspective," Resources Policy, Elsevier, vol. 80(C).
   12. Tian, Maoxi & Alshater, Muneer M. & Yoon, Seong-Min, 2022. "Dynamic risk spillovers from oil to stock markets: Fresh evidence from GARCH copula quantile regression-based CoVaR model," Energy Economics, Elsevier, vol. 115(C).
   13. Bales, Stephan, 2022. "Sovereign and bank dependence in the eurozone: A multi-scale approach using wavelet-network analysis," International Review of Financial Analysis, Elsevier, vol. 83(C).
   14. Wen, Fenghua & Tong, Xi & Ren, Xiaohang, 2022. "Gold or Bitcoin, which is the safe haven during the COVID-19 pandemic?," International Review of Financial Analysis, Elsevier, vol. 81(C).
   15. Kumar, Pawan & Singh, Vipul Kumar, 2022. "Systemic spillover dynamics of crude oil with Indian Financial indicators in post WPI revision and COVID era," Resources Policy, Elsevier, vol. 77(C).
   16. Mensi, Walid & Rehman, Mobeen Ur & Al-Yahyaee, Khamis Hamed & Vo, Xuan Vinh, 2023. "Frequency dependence between oil futures and international stock markets and the role of gold, bonds, and uncertainty indices: Evidence from partial and multivariate wavelet approaches," Resources Policy, Elsevier, vol. 80(C).

4. Lukasz Grzybowski & Chiraz Karamti, 2010. "Competition In Mobile Telephony In France And Germany," Manchester School, University of Manchester, vol. 78(6), pages 702-724, December.
   • Lukasz Grzybowski & Chiraz Karamti, 2007. "Competition in Mobile Telephony in France and Germany," Working Papers 07-24, NET Institute, revised Sep 2007.
   See citations under working paper version above.
5. Chiraz Karamti & Lukasz Grzybowski, 2010. "Hedonic study on mobile telephony market in France: pricing–quality strategies," Netnomics, Springer, vol. 11(3), pages 255-289, October.

   Cited by:

   1. Lukasz Grzybowski & Ángela Munoz-Acevedo, 2021. "Impact of Roaming Regulation on Revenues and Prices of Mobile Operators in the EU," CESifo Working Paper Series 9235, CESifo.
      • Muñoz-Acevedo, Ángela & Grzybowski, Lukasz, 2023. "Impact of roaming regulation on revenues and prices of mobile operators in the EU," International Journal of Industrial Organization, Elsevier, vol. 89(C).
   2. Yun, Seong Hun & Kim, Yongjae & Kim, Minki, 2019. "Quality-adjusted international price comparisons of mobile telecommunications services," Telecommunications Policy, Elsevier, vol. 43(4), pages 339-352.
   3. Ambre Nicolle & Lukasz Grzybowski & Christine Zulehner, 2018. "Impact Of Competition, Investment, And Regulation On Prices Of Mobile Services: Evidence From France," Economic Inquiry, Western Economic Association International, vol. 56(2), pages 1322-1345, April.
      • Ambre Nicolle & Lukasz Grzybowski & Christine Zulehner, 2018. "Impact Of Competition, Investment, And Regulation On Prices Of Mobile Services: Evidence From France," Post-Print hal-02102353, HAL.
   4. Hawthorne, Ryan, 2018. "The effects of lower mobile termination rates in South Africa," Telecommunications Policy, Elsevier, vol. 42(5), pages 374-385.
   5. Wellmann, Nicolas, 2019. "Hello . . . Are You Still There? An Empirical Analysis How Market Structure Affects Quality of Mobile Networks," VfS Annual Conference 2019 (Leipzig): 30 Years after the Fall of the Berlin Wall - Democracy and Market Economy 203579, Verein für Socialpolitik / German Economic Association.
   6. Christos Michalakelis & Georgia Dede & Dimitris Varoutas & Thomas Sphicopoulos, 2010. "Estimating diffusion and price elasticity with application to telecommunications," Netnomics, Springer, vol. 11(3), pages 221-242, October.
   7. Hawthorne, Ryan, 2016. "Do call termination rate interventions affect developing countries (with smaller fixed line networks) differently? Testing for the ‘waterbed effect' for non-linear tariffs in South Africa," 27th European Regional ITS Conference, Cambridge (UK) 2016 148673, International Telecommunications Society (ITS).
   8. Grzybowski, Lukasz & Nicolle, Ambre & Zulehner, Christine, 2017. "Impact of competition and regulation on prices of mobile services: Evidence from France," 28th European Regional ITS Conference, Passau 2017 169465, International Telecommunications Society (ITS).
   9. Houngbonon, Georges Vivien, 2015. "The Impact of Entry and Merger on the Price of Mobile Telecommunications Services," 26th European Regional ITS Conference, Madrid 2015 127148, International Telecommunications Society (ITS).
   10. Kim, Wook Joon & Kim, Yongkyu, 2018. "An estimation of quality-adjusted prices for mobile services in Korea," 22nd ITS Biennial Conference, Seoul 2018. Beyond the boundaries: Challenges for business, policy and society 190346, International Telecommunications Society (ITS).

More information

Research fields, statistics, top rankings, if available.

Statistics

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Co-authorship network on CollEc

NEP Fields

NEP is an announcement service for new working papers, with a weekly report in each of many fields. This author has had 1 paper announced in NEP. These are the fields, ordered by number of announcements, along with their dates. If the author is listed in the directory of specialists for this field, a link is also provided.

1. NEP-COM: Industrial Competition (1) 2007-10-27
2. NEP-EEC: European Economics (1) 2007-10-27
3. NEP-IND: Industrial Organization (1) 2007-10-27
4. NEP-MIC: Microeconomics (1) 2007-10-27

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