Friday, December 8, 2017

Managing the Trilemma: The Monetary blip ‼!

( Published in Business Magazine No. 1316 -13-19 December 2017)
Some years back we were one of those few “ fake” economists” who had alerted the authorities on the futility of the Central bank to be supportive of growth in its  exchange rate and monetary policies because of the  " impossible trinity or trilemma” and the presence of excess liquidity. 


Despite a change of guards at the level of the Monetary Policy Committee and the direction of the Central Bank, there has been little progress. They continue to fool themselves in believing that they can influence growth by varying the Key Repo Rate (KRR). They “ persiste et signe “ and monetary policy has become a farce. And it is no surprise that some “fake” economists are questioning the independence of the Central Bank. Allow me to explain.

The " impossibility trinity or trilemma” refers to the trade-offs among the following three goals: a fixed exchange rate, an independent monetary policy and free capital inflows (absence of capital controls).  An economy can choose at most two of these three.  The Mauritian economy is facing an increasing trilemma—attempting to pursue an independent monetary policy and limiting exchange rate flexibility. Capital inflows put upward pressure on the rupee- a real appreciation. If the  Bank Of Mauritius( BOM) does not intervene , this results in a nominal appreciation of the rupee.  If the central bank intervenes and buys foreign exchange, the monetary base or reserve money goes up and over time the inflation rate goes up. Thus to contain these inflationary pressures, the monetary authorities sell government securities or treasury bills to mop up the increased money supply. This is called sterilized intervention 
                                                                                                                                                                           


Table 1: Extent of Sterilization of  inflows


RM
NFA
NDA
NDA/RM

Year
2012-13
2,651
5,145
-2,494
-8.9
2013-14
5,272
9,048
-3,776
-12.3
2015-15
9,002
8,826
176
0.5
2015-16
3,345
6,202
-2,856
-6.4
2016-17(Sept)
4,342
11,459
-7,117
-14.7

= change, RM= Reserve Money, NFA= Net Foreign Assets, NDA=Net Domestic Assets

Table 1 shows that the extent of sterilization was relatively limited as the monetary impact of reserve inflows (i.e. positive levels of ΔNFA) was partially sterilized. These inflows were not fully compensated by negative changes in domestic asset holdings by the central bank (negative levels of ΔNDA). The capital inflows thus led to large increases in the monetary base In recent years, growing over 18 percent , showing that the authorities have found it increasingly  difficult to limit the liquidity effects of the foreign exchange asset accumulation.
The sizeable capital inflows have caused noticeable nominal and real appreciation, and the BOM has thwarted this to some extent by intervening in the foreign-exchange market and buying foreign exchange. It has not succeeded in fully sterilizing the inflows which resulted  in excess liquidity in the market; It had to raise bank reserve requirements and imposed macro prudential measures or lending restrictions in an attempt to decouple reserve money growth from broad money growth. The slack in economic activity and the resulting low aggregate demand explains to some extent why the vast flow of liquidity into the banking system was not translated into equally high money supply growth.
The capital inflows also  led to a significant increase in domestic asset prices, such as real estate prices, and pushed down long-term interest rates. This however  has not been translated into significant  credit growth given the  overvalued exchange rate and a situation of feeble growth and demand in world markets. (see Table 2 Below). Moreover, in the past few years, we have also seen the share of nonperforming loans rise in the balance sheets of many banks.




Table 2: Growth of Money Aggregates
% Change
2013
2014
2015
2016
2017(Sept)






Net Foreign Assets
-1.3
15.5
15.6
3.8
4.1






Monetary Base
18.5
9.0
8.3
11.5
17.5






Money Supply
5.8
8.7
10.2
9.1
11.4






Domestic  Credit
14.6
-0.3
6.7
3.5
15.2

The buildup of large excess liquidity in the money market  has resulted in a disconnect between the KRR and money market interest rates. The rates in the interbank market have fallen sharply and have remained much below the KRR, which has thus undermined the monetary policy transmission mechanism and rendered it ineffective. Thus For the moment it is inconsequential whether we have a low or a high KRR as the money market or interbank rates have been consistently below the KRR. 

The lower KRR has undoubtedly benefited the leveraged corporate sector at the cost of private savings and impacted negatively on the current account of the Balance of Payments. But we have more problems ahead. The lacklustre performance of the economy has given us a breather but once  demand picks up the trilemma becomes binding and excess liquidity will be leading to higher inflationary  pressures. Thus, can we blame some fake economists for having doubts on the  independence of the Central Bank ?