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Wyszukujesz frazę "Markov models" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Identification of financial and macroeconomic shocks in a VAR model of the Polish economy. A stability analysis
Autorzy:
Ulrichs, Magdalena
Powiązania:
https://bibliotekanauki.pl/articles/943099.pdf
Data publikacji:
2018-03-30
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
VAR models
impulse response functions
Markov‑Switching VAR models
structural changes
Opis:
Dynamic macroeconomic models (both VAR and DSGE) currently play a very significant role in macroeconomic modelling. But these types of models rarely take into account the impact of financial markets on the behaviour of economies, they are rather more focused on the monetary transmission mechanism. The financial crisis of 2007-2008 highlighted the impact of the financial market on the macroeconomy. In this context macroprudential policy and financial stability analysis has gained a stronger meaning. The main aim of the paper is to estimate a model that simultaneously explains the dynamics of macroeconomic and financial variables and to assess whether the identified relationships are stable over time. Therefore, based on the estimated empirical structural vector autoregression model explaining the interactions between the real economy, the financial system and monetary policy in Poland, financial and macroeconomic shocks were identified. It was shown that the impulse reaction functions changed after the financial crisis. On the basis of Markov‑Switching vector autoregression model probabilities of transitions between states of the economy and the regime-dependent impulse reaction functions were estimated.
Źródło:
Economics and Business Review; 2018, 4(18), 1; 29-43
2392-1641
Pojawia się w:
Economics and Business Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Can we invest on the basis of equity risk premia and risk factors from multi-factor models ?
Autorzy:
Pawel, Sakowski
Robert, Ślepaczuk
Mateusz, Wywiał
Powiązania:
https://bibliotekanauki.pl/articles/943112.pdf
Data publikacji:
2016-09-30
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
investment algorithms
multi-factor models
Markov switching model
asset pricing models
equity risk premia
risk factors
Markowitz model
Opis:
We examine two investment algorithms built on the weekly data of world equity indices for emerging and developed countries in the period 2000-2015. We create seven risk factors using additional data about market capitalization, book value, country GDP and betas of equity indices. The first strategy utilizes the theoretical value of equity risk premium from the seven-factor Markov-switching model with exogenous variables. We compare theoretical with the realized equity risk premium for a given index to undertake the buy/sell decisions. The second algorithm works only on eight risk factors and applies them as input variables to Markowitz models with alternative optimization criteria. Finally we note that the impact of risk factors on the final results of investment strategy is much more important than the selection of a particular econometric model in order to correctly evaluate the equity risk premium.
Źródło:
Economics and Business Review; 2016, 2(16), 3; 78-98
2392-1641
Pojawia się w:
Economics and Business Review
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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