Results 111 to 120 of about 23,671 (302)

Bias Adjustment for Mean Squared Error Estimation in M‐Quantile Models for Small Area Estimation

open access: yesInternational Statistical Review, EarlyView.
Summary M‐quantile (MQ) regression provides a robust and flexible alternative to mixed models for small area estimation. However, several theoretical aspects remain underexplored. In this paper, a parametric bootstrap method is proposed to approximate the distributions of area‐specific MQ coefficients and applied to adjust the bias in the mean squared ...
María Bugallo   +3 more
wiley   +1 more source

Firm‐Level Political Risk and Earnings Manipulation

open access: yesJournal of Business Finance &Accounting, EarlyView.
ABSTRACT Using recently developed proxies for firm‐level political risk and earnings manipulation, we test the limited attention theory. Contrary to Hirshleifer and Teoh's core prediction that investor attention is associated with less managerial manipulation, we find that firm‐level political risk, serving as a proxy for investor attention, is ...
Hui L. James, Thanh Ngo, Jurica Susnjara
wiley   +1 more source

Feeding ecology of an Amazonian electric knifefish under altered flood‐pulse dynamics caused by hydroelectric damming

open access: yesJournal of Fish Biology, EarlyView.
Abstract This study evaluated the effects of the controlled flood pulse on diet composition, trophic niche breadth and feeding intensity of Archolaemus janeae, an electric knifefish species with a restricted distribution in the Amazon Basin. Monthly samples were collected from December 2020 to November 2021 in the Volta Grande stretch of the Xingu ...
Ana F. V. N. M. Costa   +8 more
wiley   +1 more source

Social media, high‐frequency trading, and market making after‐hours – Evidence from presidential tweets

open access: yesJournal of Financial Research, EarlyView.
Abstract I analyze differences between the core and extended trading sessions in the high‐frequency reaction of equity markets to potential news. Using presidential tweets as unanticipated, potentially market‐stirring events, I find that volatility increases and liquidity deteriorates within fractions of a second after a tweet.
Stefan Scharnowski
wiley   +1 more source

A formal procedure for finding contradictions into a set of rules

open access: yes, 2012
Several fields of knowledge management operate by using rules. Many example arise in Data Mining and Database Theory, but also in the fields of Normative or Regulation.
G. Bianchi, BRUNI, Renato
core  

Investor sentiment and stock market returns: A comparative analysis of mood, word, and trade

open access: yesJournal of Financial Research, EarlyView.
Abstract We examine and compare the return predictability of mood‐, word‐, and trade‐based sentiment measures across 18 international stock markets. Empirical results reveal that the trade‐based measure performs strongly across many settings; the word‐based measure contributes important complementary information, including in cases where the trade ...
Lan Xiang, Wenzhao Wang
wiley   +1 more source

Interest Rate Pegs and the Reversal Puzzle: On the Role of Anticipation

open access: yesJournal of Money, Credit and Banking, EarlyView.
Abstract We revisit the reversal puzzle: a counterintuitive contraction of inflation in response to an interest rate peg. We show that its occurrence is intimately related to the degree of agents' anticipation. If agents perfectly anticipate the peg, reversals occur depending on the duration of the peg.
RAFAEL GERKE   +2 more
wiley   +1 more source

Monetary and Macroprudential Policies under Dollar‐Denominated Foreign Debt

open access: yesJournal of Money, Credit and Banking, EarlyView.
Abstract This paper studies monetary and macroprudential policies in a small open economy that borrows from abroad in foreign currency. The model features a novel mechanism in which exchange rate depreciation triggered by a borrowing constraint is amplified through balance of payments adjustments, increasing the real burden of foreign debt and causing ...
HIDEHIKO MATSUMOTO
wiley   +1 more source

Circle compactifications of Minkowski D solutions, flux vacua and solitonic branes

open access: yesJournal of High Energy Physics
G-structure techniques are used to construct broad classes of circle compactifications of Mink D+1 solutions to Mink D embedded into type II supergravity for D = 1, . . . 5.
Niall T. Macpherson   +2 more
doaj   +1 more source

Hedger of Last Resort: Evidence from Brazilian FX Interventions, Local Credit, and Global Financial Cycles

open access: yesThe Journal of Finance, EarlyView.
ABSTRACT We show that FX interventions can be effective, particularly in attenuating global financial spillovers. We exploit global financial shocks and Brazilian central bank interventions in FX derivatives using three matched administrative registers: bank credit (to firms), foreign credit to banks, and employer‐employees. After the U.S.
RODRIGO BARBONE GONZALEZ   +3 more
wiley   +1 more source

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