Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Ville Rantala"'
Publikováno v:
Journal of Financial Economics. 143:434-461
This study examines whether sell-side equity analysts engage in “social learning” where their earnings forecasts are influenced by the forecasts and outcomes of other analysts associated with other firms (i.e., the “peers”) in their respectiv
Autor:
Ville Rantala, Markku Kaustia
Publikováno v:
Journal of Financial and Quantitative Analysis. 56:1505-1536
We develop a method for defining groups of peer firms on the basis of joint analyst coverage. Besides industry boundaries, analysts’ coverage choices reflect other aspects of firm relatedness such as business model. We find that the analyst-based m
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
SSRN Electronic Journal.
Autor:
Ville Rantala
Publikováno v:
The Journal of Finance. 74:2349-2389
A unique dataset from a large Ponzi scheme shows that investment ideas can spread epidemically through social contagion. Investors could join the scheme only by personal invitation from an existing member, and I can observe how the idea spreads from
Publikováno v:
SSRN Electronic Journal.
This paper proposes a new artificial intelligence-based framework for aggregating the opinions of sell-side equity analysts. Our key conjecture is that analyst-level individual errors are more predictable and can be corrected more effectively than th
Publikováno v:
SSRN Electronic Journal.
We study the effects of investment-fraud victimization using information on thousands of Ponzi scheme participants combined with register data on the Finnish population. A difference-in-differences analysis reveals the victims earn 5% less income aft
Publikováno v:
Journal of Electrical and Computer Engineering, Vol 2012 (2012)
Monitoring and diagnostic systems are required in modern Network-on-Chip implementations to assure high performance and reliability. A dynamically clustered NoC monitoring structure for traffic and fault monitoring is presented. It is a distributed m
Externí odkaz:
https://doaj.org/article/06ac892837974802a3249aa805e7ef89
Publikováno v:
Journal of Systems and Software. 118:134-150
Examines three cases on applying agile practices into embedded system development.Visibility of work and system-wide understanding increased.Improved communication diminished the need for internal documentation.Slow hardware development and specializ