330 Wirtschaft
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- E-Finance Lab e.V. (26) (remove)
THE SPEED OF TRADING, AND IN PARTICULAR HIGH-FREQUENCY TRADING, IS ONE OF THE MOSTLY DEBATED ISSUES AMONG REGULATORS AND MARKET PARTICIPANTS. NEVERTHELESS, SEVERAL ACADEMIC STUDIES HAVE SHOWN THAT HIGH-FREQUENCY TRADERS USING LOW-LATENCY INFRASTRUCTURE PROVIDE ADDITIONAL LIQUIDITY THEREBY REDUCING TRANSACTION COSTS IN ORDINARY TIMES OF TRADING. WE STUDY WHETHER HIGH-FREQUENCY TRADERS ALSO CONTRIBUTE TO THE RECONSTRUCTION OF THE ORDER BOOK AFTER LIQUIDITY SHOCKS CAUSED BY LARGE ORDERS.
WHILE CLOUD MARKETS PROMISE UNLIMITED RESOURCE SUPPLIES, INDIVIDUAL PROVIDERS MIGHT BE UNABLE TO OFFER SUFFICIENT PHYSICAL CAPACITY TO SERVE LARGE CUSTOMERS. A SOLUTION IS TO FORM CLOUD COLLABORATIONS, IN WHICH MULTIPLE CLOUD PROVIDERS UNITE FORCES IN ORDER TO CONJOINTLY OFFER CAPACITIES WITHIN CLOUD MARKETS. QUALITY OF SERVICE (QOS) AND SECURITY ASPECTS ARE THE PRIMARY CONSIDERATIONS IN BUILDING SUCH COLLABORATIONS. THIS RESEARCH REPORT PRESENTS A CORRESPONDING OPTIMIZATION APPROACH FOR THE SELECTION OF COLLABORATIVE CLOUD PROVIDERS UNDER CONSIDERATION OF FULFILLMENT OF CLOUD USERS’ QOS AND SECURITY REQUIREMENTS.
CLOUD COMPUTING PROMISES ENHANCED FLEXIBILITY AND SUBSTANTIAL ECONOMIC
BENEFITS THROUGH THE ON-DEMAND LEASE OF IT RESOURCES. THESE TWO ASPECTS ARE STRONGLY INFLUENCED BY THE PRICING OF CLOUD RESOURCES. BASED ON A SAMPLE OF 48 INFRASTRUCTURE PROVIDERS, WE EXAMINE CURRENT PRICING SCHEMES IN THE CLOUD MARKET FROM A USER PERSPECTIVE.