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IN TWO-SIDED MARKETS SUCH AS EXCHANGES, AN INTERMEDIARY BRINGS TOGETHER TWO DISTINCT CUSTOMER POPULATIONS, E.G., BUYERS AND SELLERS. THESE CUSTOMER POPULATIONS INTERACT VIA A PLATFORM PROVIDED BY THE INTERMEDIARY, AND TYPICALLY NETWORK EFFECTS ARE OBSERVABLE IN THESE MARKETS; IF THE NUMBER OF BUYERS IS HIGH, MORE SELLERS ARE ATTRACTED TO THE PLATFORM, AND VICE VERSA. IN SUCH MARKETS IT IS DIFFICULT TO MEASURE THE ECONOMIC SUCCESS OF IT INVESTMENTS. THIS ARTICLE PROPOSES A SOLUTION.
Customer empowerment 2.0
(2011)
Only around one in five firms reap the anticipated benefits from Service Oriented Architectures (SOA). Industry analysts assume that a lack of SOA governance is the main reason why SOA projects fail. And, indeed, the vast majority of the literature is on technical issues, and a business value and governance view is missing. So, what do SOA governance mechanisms help to implement an effective SOA that achieves IT flexibility and reuse?
Interview with Andreas Kern, CEO wikifolio.com
The digital revolution
(2013)
BANK INSTABILITY SEEMINGLY COULD PUSH BORROWERS TO USE CROWDFUNDING AS A SOURCE OF EXTERNAL FINANCE. WE CONSTRUCT A NOVEL, HAND-COLLECTED DATA SET OF VENTURES' USES OF EQUITY CROWDFUNDING IN GERMANY, THEIR RELATIONSHIPS WITH BANKS, AND VARIOUS VENTURE TRAITS SINCE 2011. BY OBSERVING VENTUREBANK RELATIONSHIPS, WE CAN IDENTIFY IF VENTURES CONNECTED TO SHOCKED BANKS ARE MORE LIKELY TO USE CROWDFUNDING IN AN ATTEMPT TO SUBSTITUTE FOR CONTRACTING BANK CREDIT SUPPLY. OUR RESULTS SHOW THAT CROWDFUNDING IS SIGNIFICANTLY MORE LIKELY FOR NEW VENTURES THAT INTERACT WITH STRESSED BANKS. INNOVATIVE FUNDING SOURCES ARE THUS PARTICULARLY RELEVANT IN TIMES OF STRESS AMONG CONVENTIONAL FINANCIERS. BUT CROWDFUNDED VENTURES ARE GENERALLY ALSO MORE OPAQUE AND RISKY THAN NEW VENTURES THAT DO NOT USE CROWDFUNDING.
Analyzing the relationship between differentiated online sentiment and company-specific stock prices
(2015)
PRACTITIONERS AND RESEARCHERS ALIKE INCREASINGLY USE SOCIAL MEDIA MESSAGES AS AN ADDITIONAL SOURCE OF INFORMATION WHEN DEALING WITH STOCKS. BASED ON EMOTION THEORY AND AN ESTABLISHED SENTIMENT LEXICON, WE DEVELOP AND APPLY AN OPEN SOURCE DICTIONARY FOR THE ANALYSIS OF SEVEN DIFFERENT EMOTIONS IN 5.5 MILLION TWITTER MESSAGES ON 33 S&P 100 COMPANIES. WE FIND VARYING EXPLANATORY POWER OF DIFFERENT EMOTIONS (ESP. HAPPINESS, AND DEPRESSION) FOR COMPANY-SPECIFIC STOCK PRICE MOVEMENTS OVER A PERIOD OF THREE MONTHS.
COMPANIES USE SOCIAL MEDIA IN GENERAL AND MICROBLOGGING IN PARTICULAR FOR DIFFERENT PURPOSES, SUCH AS REPUTATION MANAGEMENT. WE EMPIRICALLY IDENTIFY DIFFERENT SOCIAL MEDIA ACTIVITIES IN TERMS OF SOCIAL MEDIA MANAGEMENT STRATEGIES, ACCOUNT TYPES, AND COMMUNICATIVE APPROACHES. BY ANALYZING A DATA SET OF OVER FIVE MILLION TWITTER MESSAGES, WE FIND POSITIVE EFFECTS OF SOCIAL MEDIA MANAGEMENT TOOLS, BROADCASTING ACCOUNTS, AND CONVERSATIONAL COMMUNICATION ON THE CORPORATE PUBLIC PERCEPTION.
Encouraging growth funding
(2015)
UNDER LAISSEZ-FAIRE REGULATION, REGULATORS CHOOSE NOT TO INTERFERE BECAUSE THEY SEEK TO STIMULATE INNOVATION AND PROTECT ENTERPRISES FROM THE COSTS IMPOSED BY REGULATORY COMPLIANCE. YET, EMPIRICAL EVIDENCE REGARDING THE ABILITY OF LAISSEZ-FAIRE REGULATION TO ENSURE CONSUMER PROTECTION IS LACKING. THIS ARTICLE TESTS EMPIRICALLY WHETHER THE CURRENT LAISSEZ-FAIRE REGULATION OF PRICE ADVERTISING CLAIMS ON THE MOST POPULAR REWARD-BASED CROWDFUNDING PLATFORM, KICKSTARTER, IS SUFFICIENT TO PROTECT CONSUMERS.
The uphill challenge
(2017)
Contribution of awareness information in virtual communities – the case of a financial institution
(2012)
IN DISTRIBUTED WORK ENVIRONMENTS, IT IS A CHALLENGING ISSUE FOR ORGANIZATIONS TO SUPPORT THEIR EMPLOYEES IN STAYING AWARE OF ALL IMPORTANT DEVELOPMENTS IN THEIR WORK ENVIRONMENT. ACCORDINGLY, IN THIS STUDY WE DEVELOP AND EMPICALLY TEST A CONCEPTUAL MODEL TO ENHANCE OUR UNDERSTANDING OF THE INDIVIDUALS’ CONTRIBUTION BEHAVIOR OF AWARENESS INFORMATION. WE PROVIDE GUIDANCE FOR THE DESIGN AND EVALUATION OF INFORMATION SYSTEMS TO SUPPORT THE CREATION OF SITUATION AWARENESS.
ALMOST 20% OF THE GERMAN POPULATION CURRENTLY HOLDS A CONSUMER LOAN. DESPITE ITS OBVIOUS IMPORTANCE FOR A PRIVATE HOUSEHOLD’S BALANCE SHEET, WE KNOW SURPRISINGLY LITTLE ABOUT IT. ONE PURPOSE OF THIS STUDY IS TO GIVE AN OVERVIEW OF THE GERMAN CONSUMER/INSTALLMENT LOAN MARKET. WE COMPARED FIVE WIDELY ACCEPTED DATA SOURCES AND FOUND DIFFERENCES IN THE LOAN PARTICIPATION RATE, EVEN ON AN AGGREGATED NATIONWIDE LEVEL. IN A SECOND STEP, WE TRY TO FIND REASONS FOR EXTRAORDINARY HIGH GROWTH RATES AMONG SENIORS’ DEBT PARTICIPATION RATES.
ORGANIZATIONAL MINDFULNESS (OM) SUPPORTS THE MANAGEMENT AND EMPLOYEES WORKING IN THE INCREASINGLY DYNAMIC WORK ENVIRONMENTS DRIVEN BY CLOUD COMPUTING OR MOBILE DEVICES. SPECIFICALLY, IN MINDFUL ORGANIZATIONS, SUCH AS FINANCIAL INSTITUTIONS, RELIABLE OUTCOMES ARISE FROM OM IN THE FACE OF COMPLEX INFORMATION SYSTEMS. HOWEVER, EXTANT IS RESEARCH HAS DISREGARDED THE MULTILEVEL STRUCTURE OF MINDFULNESS, ESPECIALLY THEIMPORTANCE OF MINDFUL ORGANIZING (MO) ON LOWER HIERARCHICAL LEVELS. BASED ON DATA FROM 256 USERS OF AN ORGANIZATION WIDE CLOUD-BASED DESKTOP-AS-A-SERVICE SYSTEM, WE FOUND A SIGNIFICANTLY POSITIVE INFLUENCE OF THE COMBINATION OF OM AND MO AS WELL AS DIFFERENTIAL EFFECTS FOR BOTH ON JOB PERFORMANCE.
THIS STUDY DOCUMENTS THE ROLE OF BARGAINING POWER IN THE DETERMINATION OF
MORTGAGE RATES BASED ON A UNIQUE ADMINISTRATIVE DATA SET COMPRISING 20,000
MORTGAGE LOAN CONTRACTS. WE USE VARIATION IN THE COMPETITIVE ENVIRONMENT
TO IDENTIFY THE EXTENT TO WHICH DIFFERENTIAL PRICING IS DUE TO RELATIVE BARGAINING POWER. OUR IDENTIFICATION STRATEGY SEPARATES MARKET POWER FROM OTHER SOURCES OF PRICING DIFFERENTIALS, SUCH AS CREDIT RISK, PRODUCT DIFFERENTIATION, OR OTHER COSTS. THE RESULTS INDICATE THAT BARGAINING POWER DETERMINES THE EXTENT OF PRICE DISCRIMINATION ON OBSERVABLE BORROWER CHARACTERISTICS. A REDUCTION IN LENDER BARGAINING POWER REDUCES THE DISADVANTAGE SUFFERED BY BORROWERS WHO REFINANCE THEIR LOAN AND REDUCES THE ADVANTAGE FOR THOSE WHO HAVE THEIR MAIN BANKING RELATIONSHIP AT ANOTHER BANK. SIMULTANEOUSLY, IT INCREASES THE ADVANTAGE FOR BORROWERS FALLING IN THE WEALTHY/HIGH-INCOME SEGMENT. FURTHER ANALYSES POINT TO SEARCH INCENTIVES AS AN IMPORTANT DRIVER OF THE DIRECTION OF THE EFFECT OF BARGAINING POWER.
THIS PAPER PROVIDES EMPIRICAL EVIDENCE ON THE IMPACT OF REVIEWER STATUS ONTHE OBJECTIVITY OF HIS CONTRIBUTIONS IN ONLINE COMMUNITIES. WHILE PREVIOUS RESEARCH INDICATES THAT USER-GENERATED ONLINE REVIEWS GUIDE CONSUMER DECISION MAKING, LITTLE IS KNOWN ABOUT DRIVERS OF THE ACTUAL REVIEW GENERATION PROCESS. UTILIZING A DATA SAMPLE COVERING 413,077 REVIEWS POSTED OVER 12 YEARS ON TRIPADVISOR.COM, WE FIND THAT WITH INCREASED USER STATUS, REVIEW OBJECTIVITY INCREASES. THUS, WE CONTRIBUTE TO THEORY BY GENERALIZING THE SO-CALLED "POPULARITY EFFECT" TO A MULTI-DIMENSIONAL “STATUS EFFECT”.
Bridging markets
(2016)
THE EUROPEAN POST-TRADING LANDSCAPE IS RECENTLY CHANGING FUNDAMENTALLY DUE TO THE FINANCIAL CRISIS, REGULATORY ACTIONS, AND THE STRONG LINKAGE OF GLOBAL FINANCIAL MARKETS. THE SYSTEMIC IMPORTANCE OF POST-TRADING INFRASTRUCTURES UNDERLINES THE INDUSTRY’S SIGNIFICANT DEPENDENCE ON SAFE AND EFFICIENT RISK MANAGEMENT PROCESSES. USING THE DELPHI METHODOLOGY IN A STUDY AMONG A MULTITUDE OF EXPERTS FROM DIFFERENT AREAS OF POST-TRADING, WE TRIED TO DEVELOP A JOINT AND COHERENT VIEW OF THE MOST IMPORTANT ISSUES FOR THE EUROPEAN POST-TRADING SYSTEM IN THE NEAR FUTURE.
THE PRESENT ARTICLE TRIES TO DEMYSTIFY THE LINK BETWEEN THE SUBPRIME BANKING CRISIS AND THE SUBSEQUENT FALL IN GROSS DOMESTIC PRODUCT. AN UP-TO-DATE REVIEW OF THE LITERATURE ON THE REAL CONSEQUENCES OF THE LOSS OF BANK LENDING CAPACITY IS PROVIDED, PRESENTING EVIDENCE OF A DECLINE IN NEW BANK LOANS ALONG WITH EVIDENCE OF CORPORATE REACTIONS TO THIS DECLINE. FINALLY, IT IS SHOWN HOW THE PRESENTED FACTS CAN ADD UP TO AN EVENT OF MACROECONOMIC DIMENSION.
Interview with Markus Habbel, Principal McKinsey & Company. IN THE ACTUAL CRISIS, ENTERPRISES FACE DWINDLING FINANCIAL RESOURCES AND
THE BOTTOM FALLS OUT OF A LOT OF BUSINESS. CHIEF FINANCIAL OFFICERS (CFOs) ARE IN THE EYE OF THE STORM. HOW DOES THEIR ROLE CHANGE?
The financial crisis – consequences for online banks : interview with Dr. Markus Walch, DAB bank
(2010)
NEW TECHNOLOGIES LIKE GRID COMPUTING WHICH CAN CONNECT RESOURCES AT DIVERSE LOCATIONS ARE MORE AND MORE ADOPTED FROM ORGANIZATIONS. SUCH TECHNOLOGIES CAN BOTH TRIGGER LINKAGES BETWEEN ORGANIZATIONS AND DIFFERENT DEPARTMENTS IN ONE SINGLE ORGANIZATION. WE DEVELOP A MODEL WHICH ACCOUNTS BOTH FOR INTER- AND INTRA-ORGANIZATIONAL INFLUENCE FACTORS ON THE ADOPTION PROCESS AND EMPIRICALLY IDENTIFIES THE MOST SIGNIFICANT INFLUENCE FACTORS.
ESPECIALLY IN THE FINANCiAL SERVICES INDUSTRY, FAST ACCESS TO COMMUNICATION NETWORKS AS WELL AS THE AVAILABILITY OF A HIGH-PERFORMANCE INFORMATION AND COMMUNICATION TECHNOLOGY (ICT) INFRASTRUCTURE IS INDISPENSABLE TO ACCELERATE DIGITAL BUSINESS TRANSACTIONS BETWEEN GEOGRAPHICALLY DISPERSED ORGANIZATIONS. SINCE COLOCATION AS AN ICT SOURCING STRATEGY MAY LEAD TO INCREASED OPERATIONAL AGILITY, WE CONDUCTED AN EMPIRICAL STUDY TO INVESTIGATE THE POTENTIAL BUSINESS VALUE GENERATION.
TRADITIONALLY, THE COST OF DEBT IS SOLELY SEEN DEPENDENT ON FIRM OR DEBT CHARACTERISTICS. HOWEVER, INCREASED PRICE TRANSPARENCY AS CAN BE FOUND IN THE U.S. CORPORATE BOND MARKET HAS REDUCED CORPORATE BOND YIELDS. THE OBJECTIVE OF THIS WORK IS TO MEASURE THE SPILL-OVER EFFECT OF INCREASED PRICE TRANSPARENCY IN CORPORATE BONDS ON THE COST OF CORPORATE BORROWING OF SYNDICATED LOANS BY MAKING USE OF A NATURAL EXPERIMENT, I.E., THE INTRODUCTION OF THE TRACE SYSTEM FOR BONDS.