Using panel structural VAR analysis and quarterly data from four industrialized countries, we document that an increase in government purchases leads to an expansion in output and private consumption, a deterioration in the trade balance, and a depreciation of the real exchange rate (i.e., a decrease in the domestic CPI relative to the exchange-rate adjusted foreign CPI). We propose an explanat...

In this paper we present a fully anonymous (for payer and payee) electronic payment scheme for B2B transactions involving high amounts, without using tamper resistant devices, without pseudonyms, and preventing double spending. Schemes with detection of double spending at deposit are not well suited for high amount transactions (merchants and banks don’t want to assume potential high losses). O...

A new scheme for electronic money is described where e-cash is created for a specific recipient in any transaction. This has benefits for the efficiency of implementing measures against double spending. Details of the scheme are provided to show that anonymity and transferability are still possible with recipient specific e-cash. The scheme ensures both authentication and integrity of the elect...

We present Bitcoin Security Tables computing the probability of success p(z, q, t) of a double spend attack by an attacker controlling a share q of the hashrate after z confirmations in time t.

It has traditionally been believed that collecting survey measures of total spending necessarily involved asking a large number of questions, too many for inclusion of a comprehensive spending measure in a general-purpose survey. In this paper we report on a supplemental survey to the Health and Retirement Study that took up this challenge. We discuss issues that arise designing a survey module...

The Covid-19 outbreak disrupted economic activity in almost all countries. Indonesian economy entered a recession phase as result of the continued contraction growth second and third quarters 2020. According to Keynesian theory, combination fiscal policy monetary was more effective recovering from crisis, this study aims measure effect government spending, money supply, inflation interest rates...

OBJECTIVES Caffeinated energy drinks have become increasingly popular among young people, raising concern about possible adverse effects, including increased alcohol consumption and related risk behaviours. The current study examined consumption of caffeinated energy drinks and use of energy drinks with alcohol, as well as associations with socio-demographic and behavioural characteristics, amo...