Its obvious that to actually fix the economy, the first step is tax reform.
The current government income from taxes actually collected (as opposed to nominal taxes that exist on the books but no one pays)
is extremely weird, and regressive.
currently the big majority of government income comes from three types of taxes-
1- IVA (currently double that of Japan, triple Canada, and higher than most of South America)
extremely regressive.
2- employment taxes on workers and employers
also very regressive
3- weird tax on the export of a very small basket of agricultural products
almost nobody in Argentina pays personal income tax- an estimated 80,000 or so people in total.
contrast that with the USA, where 43% of all government income is personal income taxes.
corporate taxes are also very low here as a percentage of GDP.
there are no property taxes to speak of here- certainly, if you compare the city of buenos aires, with, say NYC, which gets 44% of its total revenue from property taxes. Here, I dont evey qualify to pay the bienes for my apartment, based on the value, and my ABL tax is equivalent to what I pay in the USA for garbage collection, but it covers also street cleaning and street tree maintenance.
so- currently, the rich dont pay much, the lower 75% pay close to half of all the taxes, and while small businesses have many taxes on the books, total business tax income is very small compared to most similar sized economies.
There is no tax treaty with the USA, which is for one main reason- so rich argentines can shelter wealth tax free in the USA.
A more progressive and modern tax system could keep the total percentage of taxes per gdp at a similar level, but tax the people with money, not the poor. Currently Argentina is NOT a high tax nation- total tax burden is around 29%, about equal with the USA or Australia, well below most of europe, about in the middle of the pack globally.
Its who pays the taxes that makes the difference.
Secondly, we need a national industrial policy, which of course is hand in hand with tax reform. Rather than cutting all tariffs and all taxes, you target taxes, tariffs, and government support to create value added products and services which can earn dollars thru exports. Argentina is well situated to export, with a steel industry, auto factories, a decent sized industrial manufacturing base (ag equipment, appliances, tools, electrical equipment like transformers, food production equipment, clothing and shoe industries, and a lot more)
But the government instead thinks that lithium mines and opening exploration to multinational oil companies is the way to go.
Observe the success of South Korea, Vietnam, Taiwan, and even Mexico, in terms of factories and exports, vs the situation of places like Venezuela, or Nigeria, or even Russia, which put all their eggs in the basket of deals with big oil...
obviously, reform of import and export infrastructure, taxes, and beauracracy would be needed too, but targeted and strategic to support high income jobs here, and encourage exports.
none of this is rocket science- all these policies are in effect, successfully, in dozens of countries around the world.