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The paper explores the precarious balance between modernizing monetary systems by means of digital currencies (either issued by the central bank itself or independently) and safeguarding financial stability as also ensured by tangible payment (and saving) instruments like paper money.

Which aspects of modern payment systems could contribute to improve the way of functioning of today's globalized economy? And, which might even threaten the above-mentioned instable equilibrium? This survey paper aims, precisely, at giving some preliminary answers to a complex – therefore, ongoing – debate at scientific as well as banking and political levels.

The coexistence of State's money (i.e. “legal tender”) and cryptocurrencies can have a disciplining effect on central banks. Nevertheless, there are still high risks connected to the introduction of central bank digital currency, which should be by far not considered to be a perfect substitute of current cash. At the same time, cryptocurrencies issued by central banks might be exposed to the drawbacks of cryptocurrencies without benefiting from correspondingly strong advantages. A well-governed two-tier system to be achieved through innovation in payment infrastructures might be, in turn, more preferable. Regulated competition by new players combined with “traditional” deposits and central bank elements remains essential, although central banks should embrace the technologies underlying cryptocurrencies, because risk payment service providers could move to other currency areas considered to be more appealing for buyers and sellers.

We do not see specific limitations besides the fact that the following is for sure a broad field of scientific research to be covered, which is at the same time at the origin of ongoing developments and findings. Originality and implications of the paper are, instead, not only represented by its conclusions (which highlight the role of traditional payment instruments and stress why the concept of “money” still has to have specific features) but also by its approach of recent literature's review combined with equally strong logical-analytical insights.

In the light of these considerations, even the role of traditional payment systems like paper money is by far not outdated or cannot be – at this point, at least – replaced by central bank digital currencies (whose features based on dematerialization despite being issued and guaranteed by a public authority are very different).

No matter which form it might assume is what differentiates economic from barter transactions. This conclusion is by far not tautological or self-evident since the notion of money has historically been a great object of scientific discussion. In the light of increasingly modern payment instruments, there is no question that money and the effectiveness of related monetary policies have to be also explored from a social perspective according to different monetary scenarios, ranging from central bank digital currencies to private currencies and cash restrictions/abolition.

The originality/value of the following article is represented by the fact that it (1) refers to some of the most relevant and recent contributions to this research field, (2) moves from payment systems in general to their newest trends like cryptocurrencies, cash restrictions (or, even, abolition proposals) and monetary policy while (3) combining all elements to reach a common picture. The paper aims at being a comprehensive contribution dealing with "money" in its broadest but also newest sense.

This paper inquires into monetary standards, focusing on the characteristics of money instead of the exchange rate regime. The transition from commodity to fiat money, a major break in monetary evolution, has led to international arrangements that represent an application of the competitive money supply model (section 1), which is consistent with various optimality criteria and has far‐reaching implications for the future development of the monetary system (section 2).

The purpose of this paper is to explore the interaction between the economic and political imperatives of new monetarism. The breakdown of the global derivatives markets, which came into the spotlight during the 2008/2009 global debt crisis, brought up the issue of trust. The matter at hand is the loss of trust in investors' ability to make informed decisions, but trust in the self‐regulating capacity of open markets has also been seriously shaken.

Relying on Roche and McKee's analysis of the global financial crisis, the author emphasizes that new monetarism is not a new paradigm, but rather a result of economic circumstances. Although the growth of financial asset prices was indeed partly a result of the liberalization of financial markets, the decisive factor is to be found in the creation of new financial instruments. On the one hand, derivatives have drastically increased the “investment power” or “purchasing power” of money. However, on the other hand, derivatives are a form of under‐appreciated liquidity that creates bubble assets.

Over the last two decades, the value of global financial assets has grown much faster than the real economy in its background, which means that in the era of new monetarism, financial markets set the tone of the real economy. Consequently, in the eyes of investors, the crucial term becomes “liquidity”, rather than “real economy”. As disinflation multiplied the value of financial assets, central banks progressively lost control of money. Players in financial markets that had increasing trust in cheap money started to introduce new forms of money, which allowed them to create liquidity, independently of the central bank. It has been shown that the quantity and cost of money available for investment can be frozen up to a point where it threatens the global financial system.

Networks for promoting social responsibility of the corporate sector, which more and more tightly cover our small planet, wish to make transparent the connections between corporate leaders, politicians and organizations to which they are connected. Their members conduct research with the aim of making the invisible power of money visible.

New financial democracy in the post‐modern era presupposes financially literate citizens, which without a doubt presents a challenge for education systems, which will evidently have to incorporate a new, crucial form of literacy, in addition to linguistic, mathematical and computer literacy – financial literacy.

This chapter investigates the nature of the transformation of macroeconomics by focusing on the impact of the Great Depression on economic doctrines. There is no doubt that the Great Depression exerted an enormous influence on economic thought, but the exact nature of its impact should be examined more carefully. In this chapter, I examine the transformation from a perspective which emphasizes the interaction between economic ideas and economic events, and the interaction between theory and policy rather than the development of economic theory. More specifically, I examine the evolution of what became known as macroeconomics after the Depression in terms of an ongoing debate among the “stabilizers” and their critics. I further suggest using four perspectives, or schools of thought, as measures to locate the evolution and transformation; the gold standard mentality, liquidationism, the Treasury view, and the real-bills doctrine. By highlighting these four economic ideas, I argue that what happened during the Great Depression was the retreat of the gold standard mentality, the complete demise of liquidationism and the Treasury view, and the strange survival of the real-bills doctrine. Each of those transformations happened not in response to internal debates in the discipline, but in response to government policies and real-world events.

Traditionally, monetary policy in Latin America followed the recommendations of the missions of the monetary “doctors” who defended an independent central bank and a pro-cyclical monetary policy, adhering to the automatic adjustment of the gold standard. A key function of central banks was to support fiscal stability. The effects of the Great Depression and its aftermath in the periphery countries questioned these recommendations and gave way to a shift in monetary policy. An illustrative example is provided by the creation of the Central Bank of the Argentina Republic (BCRA) under the auspices of Raúl Prebisch, and the technical assistance missions of the United States Federal Reserve to several Latin American countries some of which were led by Robert Triffin. Prebisch actively participated in mission to Paraguay and the Dominican Republic bringing the experience he had acquired as director of the BCRA and the tools devised to adapt monetary policy to a changing external context and circumstances. The use of the discount window and exchange controls, among other instruments, was seen in this new view as necessary to pursue counter-cyclical policies and to provide support for industrialization and full employment in the periphery.

The purpose of this paper is to analyze the evolution of the crisis, its causes and the corrective policy actions with the aim of drawing up from that a set of economics policy and substantive implications and conclusions.

To throw into sharp relief the causes and particular features of the financial crisis, the paper traces the combined evolution of financial innovations and globalization which underscores the eruption of the crisis. It then analyzes the recession and the ensuing policy actions. The US actions are examined in detail by analyzing the pertinent technical, macroeconomics, and political issues. Thereafter, elements of reforms are outlined, which in part draw on the work of the Bank of International Settlements. This leads into substantive and policy conclusions of great significance.

The paper elucidates the major historic changes observed in monetary policy design and execution. It also brings out the changes in the empirical size of the various fiscal policy lags as compared with the received literature. It is argued that if the policy actions succeed the empirical relevance of the modern quantity theory and new classical macroeconomics would be thrown into question. Other set of conclusions involves setting up an internationally coordinated of financial regulations and bank supervision. It is argued that reforming the international monetary system has become unavoidable. There are also a host of specific other conclusions.

The conclusions and analysis contained in this paper are totally new. Given their comprehensiveness and global orientation, they will presage in future work, an overdue revision in received macroeconomic theory and financial supervision not seen since the 1960s.

This chapter addresses the issue of the Global South external debt by mobilizing insights from Modern Monetary Theory, Ecological Economics, and Dependency Theory. It argues that the external debt problem of Southern governments is a reflection of their subordinate economic and monetary status. It shows why the argument of foreign currency shortage often used to explain the need for Southern governments to issue foreign currency debts remains superficial. In contrast to the usual focus on creditors, the chapter highlights the role played by foreign direct investment in the genesis of the chronic external indebtedness of most Southern countries. It argues then that the external debt of the South must be understood holistically not only as a manifestation of the unequal ecological exchange between the North and the South but also as an instrument that has contributed to reproducing and amplifying this pattern. Under these conditions, the cancellation or restructuring of the South's external debt stock and a few other unlikely concessions by the Northern countries will not be enough to abolish the “debt system.” This is an important lesson from the antiimperialist critique of the mid-1970s New International Economic Order (NIEO) agenda that current movements for Southern debt cancellation and Climate Justice would do well to remember.

Discusses the heritage of John Maynard Keynes in terms of application and results of his new economic philosophy over the last four decades. Compares the Keynesian school of thought with other classical and contemporary economists in relation to foundations of monetary and economic analysis, the economics of stable equilibrium, and the economics of disequilibrium. Comments on Keynes’ concept of economic stability, his view on the instability of money and monetary reform, his concept of monetary policy and of the pure theory of money, and his misjudgement of the mixed nature of the modern gold standard. Examines the provisions of the US Federal Reserve Act (1913), focusing on the Federal reserve systems’ nature and functioning, cited by Keynes as a prototype of a modern gold standard. Concludes with an examination of the international aspect of the modern gold standard.

This paper aims to apply the doctrine of siyasah shariyyah to a policy proposal in the area of monetary economics, namely, the Grondona system of conditional currency convertibility, which has been proposed as a practical means of resisting the economic instability caused by the present-day fiat money system.

The paper uses library research to review the literature relevant to the Grondona system, and examines the extent to which its operations conform to the principle of siyasah shariyyah, thereby encouraging Maslahah, i.e. the public interest.

It has been found that the Grondona system conforms to the philosophy of siyasah shariyyah because it promotes public welfare in a number of ways. First, it is based on the fundamental principle of Prophet Yusuf’s/Joseph (peace be upon him) economic planning, which is accumulating reserves of primary commodities during times of plenty and releasing those reserves of commodities during periods of scarcity. Second, it provides the necessary linkage between the monetary world and the real economy. Third, it could be implemented in parallel with the existing monetary system by using the national currency. Fourth, it would help the least developed countries of the world, which mainly depend on exports of primary commodities (mostly agricultural).

Because of the chosen research approach, this research study is theoretical in nature. Therefore, researchers are encouraged to evaluate the system from economic perspective based on simulation for the purpose of possible implementation.

The paper includes important implications for the policymakers in the Organization of Islamic Cooperation countries for the possible implementation of Grondona system.

This paper fulfils an identified need to apply the philosophy of siyasah shariyyah to the area of monetary economics.

This chapter starts from the issue of debt in the context of a national economy by contrasting two opposed views: policy prescriptions based on the Washington Consensus prioritize low public debt and a limited role of the government in the development process whereas a more heterodox view considers debt as logical, necessary, and helpful in order to allow the government to pursue an ambitious growth and development strategy. However, things change when the economy is considered in its international context: foreign debt is different from domestic debt and while the same heterodox analysis still rejects the Washington Consensus' demand for trade and financial liberalization, its own ambitious development strategies for the domestic economy get constrained by trade deficits, the threat of capital flight, and exchange rate instability. The question arises how the government can still significantly contribute to economic development beyond the limits of a purely private sector–driven approach. This is why this chapter reviews proposals to relax or overcome the balance-of-payments constraint. Finally, it considers a reform of international payments, which can be implemented by a single country unilaterally, and which enables it to stabilize its current account, avoid foreign debt accumulation, and support domestic development strategies.