E37

Prices, Business Fluctuations, and Cycles: Forecasting and Simulation: Models and Applications

The effectiveness of counter-cyclical loan-to-value regulations: generic versus sector-specific rules

This paper considers the implications of the counter-cyclical loan-to-value (CcLTV) regulation in a setting where different types of borrowers from distinct sectors of the credit market co-exist. To identify the optimal policy design, we consider two macro-prudential policy regimes, nanely generic and sector-specfic, and compare their effectiveness in enhancing financial and macroeconomic stability. The results show that both regimes are effective in this regard, especially when the economy is hit by financial and housing demand shocks.

Can currency in circulation predict South African economic activity?

The money supply can be broadly defined as consisting of currency and deposits. While currency forms but a small portion of the total money supply, it can be a crucial determinant of spending behaviour and subsequently economic activity. The ability of the money supply to predict an up- or downswing in economic activity, as measured by a positive or negative output gap, is evaluated over a sample period 1980 – 2012. Two models are estimated, one using only the currency component and a second using the total money supply (M3).

A Note on the (continued) Ability of the Yield Curve to Forecast Economic Downturns in South Africa

In 2002/03 the yield spread falsely signalled a downswing that never materialised. This paper provides two reasons for this false signal. Firstly, while the Reserve Bank never actually officially declared the start of a downswing, by other important measures a downswing did actually occur. It is to this slowing in economic activity at that time that the yield curve pointed. Secondly, short-term interest rates in 2003 were higher than they should have been because of a mistake made in measuring consumer price inflation.

Towards a Measure of Core Inflation using Singular Spectrum Analysis

This paper constructs a number of possible core measures of annual inflation using Singular Spectrum Analysis (SSA). Annual inflation is decomposed into its trend, oscillating and noise components in order to develop an understanding of the trend and cyclicality in South African headline inflation. Five cyclical components are identified with differing amplitude and frequency. The trend and cyclical components of inflation are found to be a good approximation of core inflation, the inertial part of inflation.

Forecasting the South African Economy: A DSGE-VAR Approach

This paper develops an estimable hybrid model that combines the micro-founded DSGE model with the flexibility of the theoretical VAR model. The model is estimated via the maximum likelihood technique based on quarterly data on real Gross National Product (GNP), consumption, investment and hours worked, for the South African economy, over the period of 1970:1 to 2000:4.

Antitrust Analysis for the Internet Upstream Market: a BGP Approach

In this paper we study concentration in the European Internet upstream access market. The possibility of measuring market concentration depends on a correct definition of the market itself; however, this is not always possible, since, as it is the case of the Internet industry, very often Antitrust authorities lack reliable pricing and traffic data. This difficulty motivates our paper. We present an alternative approach based on the inference of the Internet Operators interconnection policies using microdata sourced from their Border Gateway Protocol tables.

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