Collusive Outcomes Without Collusion

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autori principali:	Cho, Inkoo, Williams, Noah
Natura:	Preprint
Pubblicazione:	2024
Soggetti:	Theoretical Economics
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

Documenti analoghi

Algorithmic Collusion Without Threats
di: Arunachaleswaran, Eshwar Ram, et al.
Pubblicazione: (2024)

Green antitrust conundrum: Collusion with social goals
di: Hashimzade, Nigar, et al.
Pubblicazione: (2024)

Interpreting and Countering Collusion in Deep-Learning Pricing Algorithms
di: Banerjee, Soumen
Pubblicazione: (2023)

Regulation of Algorithmic Collusion
di: Hartline, Jason D., et al.
Pubblicazione: (2024)

Learned Collusion
di: Compte, Olivier
Pubblicazione: (2023)

Algorithmic Collusion is Algorithm Orchestration
di: Carissimo, Cesare, et al.
Pubblicazione: (2025)

Clarification of `Algorithmic Collusion without Threats'
di: Hartline, Jason
Pubblicazione: (2026)

Collusion-Resilience in Transaction Fee Mechanism Design
di: Chung, Hao, et al.
Pubblicazione: (2024)

Barriers to Collusion-resistant Transaction Fee Mechanisms
di: Gafni, Yotam, et al.
Pubblicazione: (2024)

A Small Collusion is All You Need
di: Gafni, Yotam
Pubblicazione: (2025)

On Mechanism Underlying Algorithmic Collusion
di: Xu, Zhang, et al.
Pubblicazione: (2024)

Beyond Human Intervention: Algorithmic Collusion through Multi-Agent Learning Strategies
di: Grondin, Suzie, et al.
Pubblicazione: (2025)

Incentive-Compatible Collusion-Resistance via Posted Prices
di: Ferreira, Matheus V. X., et al.
Pubblicazione: (2024)

Collusion-proof Auction Design using Side Information
di: Kudva, Sukanya, et al.
Pubblicazione: (2025)

Regulation of Algorithmic Collusion, Refined: Testing Pessimistic Calibrated Regret
di: Hartline, Jason D., et al.
Pubblicazione: (2025)

The Bounds of Algorithmic Collusion; $Q$-learning, Gradient Learning, and the Folk Theorem
di: Askenazi-Golan, Galit, et al.
Pubblicazione: (2024)

Collusive Pricing Under LLM
di: Cao, Shengyu, et al.
Pubblicazione: (2026)

Ironing Without Concavification
di: Tokarski, Filip
Pubblicazione: (2024)

Targeting Without Transfers
di: Tokarski, Filip
Pubblicazione: (2026)

On the Possibility of Informationally Inefficient Markets Without Noise
di: Breugem, Mattthijs
Pubblicazione: (2026)

Strictly Proper Scoring Mechanisms Without Expected Arbitrage
di: Edwards, Jack
Pubblicazione: (2024)

Filling Positions Without Transfers: Screening on Outside Options
di: Honarvar, Morteza, et al.
Pubblicazione: (2026)

Strong Dominance for Dynamic Signals
di: Whitmeyer, Mark, et al.
Pubblicazione: (2024)

Comparisons of Sequential Experiments for Additively Separable Problems
di: Whitmeyer, Mark, et al.
Pubblicazione: (2024)

Industrial Policy with Network Externalities: Race to the Bottom vs. Win-Win Outcome
di: Hashimzade, Nigar, et al.
Pubblicazione: (2026)

Equitable Auction Design: With and Without Distributions
di: Wang, Ruiqin, et al.
Pubblicazione: (2025)

TradeMech: A Method to Multilaterally Net Trades Without Altering Counterparty Exposure
di: Aronoff, Daniel, et al.
Pubblicazione: (2026)

Dynamic Evidence Disclosure: Delay the Good to Accelerate the Bad
di: Knoepfle, Jan, et al.
Pubblicazione: (2024)

The Pond Dilemma with Heterogeneous Relative Concerns
di: Gola, Paweł
Pubblicazione: (2024)

Turning the Ratchet: Dynamic Screening with Multiple Agents
di: Ekmekci, Mehmet, et al.
Pubblicazione: (2024)

Persuasion in Networks: Can the Sender Do Better than Using Public Signals?
di: Zhang, Yifan
Pubblicazione: (2024)

Game Representations and Extensions of the Shapley Value
di: Dubey, Pradeep
Pubblicazione: (2024)

Continuous Representations of Preferences by Means of Two Continuous Functions
di: Bosi, Gianni, et al.
Pubblicazione: (2024)

Quantity Limits on Addictive Goods
di: Gao, Eric
Pubblicazione: (2024)

Order-theoretical fixed point theorems for correspondences and application in game theory
di: Yu, Lu
Pubblicazione: (2024)

Revealed preference and revealed preference cycles: a survey
di: Dziewulski, Paweł, et al.
Pubblicazione: (2024)

Recurrent Stochastic Fluctuations with Financial Speculation
di: Hirano, Tomohiro
Pubblicazione: (2024)

Why do elites extend property rights: unlocking investment and the switch to public goods
di: Langtry, Alastair
Pubblicazione: (2024)

Certifying Lemons
di: Chopra, Hershdeep
Pubblicazione: (2024)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
VUFIND_SESSION	"60b2b6c871811559aafcaaf59c609694"
language	"it"
ui	"standard"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790712598.5653 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "60b2b6c871811559aafcaaf59c609694" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1759}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"VUFIND_SESSION=60b2b6c871811559aafcaaf59c609694; language=it; ui=standard"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"46099"
REDIRECT_URL	""" /Record/\n arxiv_https___arxiv_org_abs_2403_07177/Similar """
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/%0Aarxiv_https___arxiv_org_abs_2403_07177/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790712598.5605
REQUEST_TIME	1790712598

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler