Sökning: "payments with data"

Visar resultat 6 - 10 av 40 avhandlingar innehållade orden payments with data.

1. 6. Logics of Knowledge and Cryptography : Completeness and Expressiveness

   Författare :Mika Cohen; Mads Dam; Alessio Lomuscio; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; epistemic logic; first-order logic; formal cryptography; static equivalence; security protocols; BAN logic; multi-agent system; completeness; logical omniscience problem; Computer science; Datavetenskap;

   Sammanfattning : An understanding of cryptographic protocols requires that we examine the knowledge of protocol participants and adversaries: When a participant receives a message, does she know who sent it? Does she know that the message is fresh, and not merely a replay of some old message? Does a network spy know who is talking to whom? This thesis studies logics of knowledge and cryptography. Specifically, the thesis addresses the problem of how to make the concept of knowledge reflect feasible computability within a Kripke-style semantics. LÄS MER

3. 7. Opportunities and challenges of mobile payment services : The perspective of service providers

   Författare :Tatjana Apanasevic; Jan Markendahl; Niklas Arvidsson; Mark de Reuver; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Mobile payments; Mobile ticketing; Business model; STOF; Service provider; Payment services provider; Mobila betalningstjänster; Mobil biljettjänster; Affärsmodeller; STOF; Tjänsteleverantör; Leverantörer av betalningstjänster; Företagsekonomi; Business Studies; SRA - ICT; SRA - Informations- och kommunikationsteknik;

   Sammanfattning :  Mobile payments are transforming the payments industry. These services open up the opportunity for non-banking actors to enter the market. In order to embrace this challenge, banks, traditional payments market players, are forced to launch mobile payments. LÄS MER

4. 8. Essays on Capital Structure

   Författare :Hossein Asgharian; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic theory; econometrics; Economics; Extreme Bound Analysis; Selection bias; Lisrel; Semiparametric; Nonparametric; Financial distress; Panel data analysis; Leverage; Capital structure; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik;

   Sammanfattning : Chapter 2 analyses the relationship between capital structure and industry classification of Swedish firms. This study also analyses the determinants of the capital structure at the industry level. LÄS MER

5. 9. Essays on behavioral economics and policy design

   Författare :Mónica Marcela Jaime Torres; Göteborgs universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Spillover effects; Social information; Randomized evaluation; Social norms; Peer effects; Water utilities; Common Agricultural Policy; Micro-analysis of farm firms; Panel data models; Subsidy decoupling;

   Sammanfattning : Chapter 1: Social norms and information diffusion in water-saving programs: Evidence from a randomized field experiment in Colombia This paper investigates spillover effects of a social information campaign aimed at encouraging residential water savings in Colombia. The campaign was organized as a randomized field experiment, consisting of monthly delivery of consumption reports, including normative messages, for one year. LÄS MER

7. 10. Job Loss: Consequences and Labor Market Policy

   Författare :Jonas Cederlöf; Peter Fredriksson; David Seim; Alexandre Mas; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi;

   Sammanfattning : Essay I: This paper takes a novel approach to estimating the effects of involuntary job loss on future earnings, wages and employment. Whereas the previous literature has relied on mass layoffs and plant closures for exogenous variation in displacement, I use the fact that who is laid off is often determined by a seniority rule, specifically the last-in-first-out (LIFO) rule. LÄS MER